“Experiment” means a test, trial, or attempt to discover something new. The best synonyms are trial, test, attempt, trial run, and trial and error. “Trial” is the most common natural alternative. Each synonym has a slightly different meaning and context where it fits best.
Top 10 Synonyms
- Trial
- Test
- Attempt
- Trial run
- Trial and error
- Demonstration
- Procedure
- Investigation
- Observation
- Proof
“Experiment” is a word we hear often in science, but it’s also used in everyday life. We experiment in the kitchen, experiment with new ideas, and experiment to solve problems. But using it too often can make your English feel repetitive.
Think about it. You can run an experiment in a lab, experiment with a new recipe, or try an experiment in your daily routine. Each situation might need a different word that captures the specific type of testing.
In this guide, you’ll learn 35 powerful synonyms for “experiment.” You’ll discover exactly when to use each one, how formal they are, and what common mistakes to avoid. Let’s begin!
What Does “Experiment” Mean?
Definition
“Experiment” means a test or trial done to discover something new or to prove an idea. It can be a scientific test in a laboratory. It can also be a try or attempt in everyday life. When you experiment, you try something to see what happens.
Pronunciation
| Feature | Value |
|---|---|
| US IPA | /ɪkˈspɛrəmənt/ |
| UK IPA | /ɪkˈsperɪmənt/ |
| Syllables | 4 (ex-per-i-ment) |
| Tip | Stress the second syllable: “ik-SPAIR-uh-ment” |
Grammar
| Grammar Feature | Information |
|---|---|
| Part of Speech | Noun and Verb |
| Common Position | Subject or object (noun); after subject (verb) |
| Typical Pattern | Experiment + on/with + something |
Examples:
- “The experiment was successful.” (noun)
- “We need to experiment with new methods.” (verb)
- “She conducted an experiment.” (noun)
Grammar Note: “Experiment” can be both a noun and a verb. As a verb, it often uses “with” or “on.”
Word Family
| Word | Part of Speech | Meaning |
|---|---|---|
| Experiment | Noun/Verb | A test or trial |
| Experimental | Adjective | Related to experiments |
| Experimenter | Noun | Someone who conducts experiments |
| Experimentally | Adverb | In an experimental way |
15 Synonyms of “Experiment”
Trial
Meaning: A test to see if something works or is effective.
Best Used For: Testing products, methods, ideas.
Formality: Neutral
Tone: Practical, Testing
Frequency: ⭐⭐⭐⭐⭐ (Very Common)
CEFR Level: B1
Example Sentence 1: “The new drug is undergoing clinical trials.”
Example Sentence 2: “Give the recipe a trial before the party.”
Usage Tip: “Trial” is the most direct synonym. Use it for testing things to see if they work.
Common Confusion: Trial vs Experiment. “Trial” often suggests testing for effectiveness. “Experiment” suggests discovering something new.
Test
Meaning: A procedure to check quality, performance, or reliability.
Best Used For: Products, knowledge, abilities.
Formality: Neutral
Tone: Checking, Verifying
Frequency: ⭐⭐⭐⭐⭐ (Very Common)
CEFR Level: A2
Example Sentence 1: “The students took a test on Friday.”
Example Sentence 2: “We need to test the new software.
Usage Tip: “Test” is the most common word for checking something. Use it for almost any testing situation.
Attempt
Meaning: An effort to do something, especially something difficult.
Best Used For: Trying new things, making an effort.
Formality: Neutral
Tone: Effortful, Trying
Frequency: ⭐⭐⭐⭐⭐ (Very Common)
CEFR Level: B1
Example Sentence 1: “Her first attempt at baking was successful.”
Example Sentence 2: “He made an attempt to solve the problem.”
Usage Tip: “Attempt” focuses on the effort of trying. It’s great for everyday situations.
Trial run
Meaning: A first test to see if something works.
Best Used For: Events, procedures, products.
Formality: Informal
Tone: Preliminary, Testing
Frequency: ⭐⭐⭐ (Moderate)
CEFR Level: B2
Example Sentence 1: “We’ll do a trial run of the new system.”
Example Sentence 2: “The dress rehearsal was a trial run.”
Usage Tip: “Trial run” is informal and suggests testing something before the real event.
Trial and error
Meaning: Trying different ways until you find what works.
Best Used For: Learning, solving problems, cooking.
Formality: Neutral
Tone: Learning, Persistent
Frequency: ⭐⭐⭐⭐ (Common)
CEFR Level: B2
Example Sentence 1: “Learning to cook takes trial and error.”
Example Sentence 2: “They found the solution through trial and error.”
Usage Tip: “Trial and error” is a set phrase for learning by making mistakes and trying again.
Demonstration
Meaning: Showing how something works.
Best Used For: Products, skills, processes.
Formality: Formal
Tone: Showing, Teaching
Frequency: ⭐⭐⭐⭐ (Common)
CEFR Level: B2
Example Sentence 1: “The demonstration of the new technology was impressive.”
Example Sentence 2: “She gave a cooking demonstration.”
Usage Tip: “Demonstration” is formal. Use it for formal shows or presentations.
Procedure
Meaning: A series of steps to do something.
Best Used For: Science, medicine, formal processes.
Formality: Formal
Tone: Methodical, Standard
Frequency: ⭐⭐⭐ (Moderate)
CEFR Level: B2
Example Sentence 1: “The procedure was followed exactly.”
Example Sentence 2: “It’s a standard medical procedure.”
Usage Tip: “Procedure” is a formal word for a set of steps or methods.
Investigation
Meaning: A careful search or examination to find facts.
Best Used For: Research, crime, problems.
Formality: Formal
Tone: Thorough, Analytical
Frequency: ⭐⭐⭐ (Moderate)
CEFR Level: B2
Example Sentence 1: “The investigation into the accident continues.”
Example Sentence 2: “Scientists are conducting an investigation.”
Usage Tip: “Investigation” suggests a careful, thorough search for facts.
Observation
Meaning: Watching something carefully to learn about it.
Best Used For: Research, science, behavior.
Formality: Formal
Tone: Careful, Analytical
Frequency: ⭐⭐⭐ (Moderate)
CEFR Level: B2
Example Sentence 1: “The observation of animal behavior is fascinating.”
Example Sentence 2: “She made careful observations during the study.”
Usage Tip: “Observation” focuses on watching and noting things. Use it in research contexts.
Proof
Meaning: Evidence that shows something is true.
Best Used For: Arguments, theories, scientific claims.
Formality: Neutral
Tone: Verifying, Confirming
Frequency: ⭐⭐⭐⭐ (Common)
CEFR Level: B2
Example Sentence 1: “We need proof of your theory.”
Example Sentence 2: “The experiment provided proof of the hypothesis.
Usage Tip: “Proof” focuses on the evidence that confirms something.
Check
Meaning: A test to make sure something is correct or working.
Best Used For: Basic checks, quality control.
Formality: Neutral
Tone: Verifying, Simple
Frequency: ⭐⭐⭐⭐⭐ (Very Common)
CEFR Level: A2
Example Sentence 1: “Do a quick check of the equipment.
Example Sentence 2: “The teacher did a check of everyone’s work.”
Usage Tip: “Check” is simple and common. Use it for quick tests or inspections.
Examination
Meaning: A close look at something to understand it.
Best Used For: Academic, medical, formal contexts.
Formality: Formal
Tone: Thorough, Professional
Frequency: ⭐⭐⭐ (Moderate)
CEFR Level: B2
Example Sentence 1: “The doctor gave her a thorough examination.
Example Sentence 2: “The examination of the evidence took weeks.”
Usage Tip: “Examination” is a formal word for a close, careful look.
Assay
Meaning: A test to analyze the quality or content of something.
Best Used For: Chemistry, medicine, materials.
Formality: Formal
Tone: Technical, Precise
Frequency: ⭐ (Very Rare)
CEFR Level: C1
Example Sentence 1: “The lab performed an assay of the sample.”
Example Sentence 2: “An assay confirmed the metal’s purity.”
Usage Tip: “Assay” is a technical term used in science and medicine.
Endeavor
Meaning: A serious attempt to achieve something.
Best Used For: Ambitious projects, career goals.
Formality: Formal
Tone: Ambitious, Serious
Frequency: ⭐⭐⭐ (Moderate)
CEFR Level: C1
Example Sentence 1: “The research endeavor took years.”
Example Sentence 2: “His latest endeavor is writing a book.”
Usage Tip: “Endeavor” is a formal word for a serious effort or attempt.
Venture
Meaning: A risky or daring attempt.
Best Used For: Business, adventures, new projects.
Formality: Formal
Tone: Daring, Risk-taking
Frequency: ⭐⭐⭐ (Moderate)
CEFR Level: B2
Example Sentence 1: “The business venture was successful.”
Example Sentence 2: “She ventured into new territory.”
Usage Tip: “Venture” suggests risk and daring. Use it for bold attempts.
Synonyms Comparison Table
| Synonym | Best Context | Formality | Tone | Frequency |
|---|---|---|---|---|
| Trial | Testing effectiveness | Neutral | Practical | ⭐⭐⭐⭐⭐ |
| Test | General checking | Neutral | Verifying | ⭐⭐⭐⭐⭐ |
| Attempt | Trying something | Neutral | Effortful | ⭐⭐⭐⭐⭐ |
| Trial run | First test | Informal | Preliminary | ⭐⭐⭐ |
| Trial and error | Learning by trying | Neutral | Persistent | ⭐⭐⭐⭐ |
| Demonstration | Showing how | Formal | Showing | ⭐⭐⭐⭐ |
| Procedure | Methodical steps | Formal | Methodical | ⭐⭐⭐ |
| Investigation | Finding facts | Formal | Analytical | ⭐⭐⭐ |
| Observation | Watching carefully | Formal | Analytical | ⭐⭐⭐ |
| Proof | Evidence | Neutral | Confirming | ⭐⭐⭐⭐ |
Best Synonyms by Situation
| Situation | Best Synonym | Why It Works |
|---|---|---|
| Daily Conversation | Try/Attempt | Natural and common |
| Business Email | Trial/Test | Professional and clear |
| Academic Writing | Investigation | Formal and precise |
| School Assignment | Experiment | Clear and simple |
| Professional Meeting | Trial | Sounds professional |
| Presentation | Demonstration | Shows understanding |
| Creative Writing | Venture | Adds literary depth |
| Social Media | Experiment | Casual and engaging |
Formal vs Informal Synonyms
Formal Alternatives
| Synonym | Best Used For |
|---|---|
| Investigation | Research, crime, problems |
| Procedure | Science, medicine, processes |
| Demonstration | Products, skills, teaching |
| Examination | Academic, medical contexts |
| Endeavor | Ambitious projects |
Neutral Alternatives
| Synonym | Best Used For |
|---|---|
| Trial | Most testing situations |
| Test | General checking |
| Attempt | Trying efforts |
| Proof | Evidence |
Informal Alternatives
| Synonym | Best Used For |
|---|---|
| Trial run | Preliminary tests |
| Try | Simple attempts |
| Go | Casual attempts |
Choosing the Right Level: Use “investigation” and “procedure” for formal writing. Use “trial” and “test” for most situations. Use “trial run” and “try” with friends.
Strong vs Mild Synonyms
Mild
Suitable for everyday situations with less intensity.
- Try
- Test
- Check
Moderate
More serious or purposeful alternatives.
- Trial
- Attempt
- Procedure
- Observation
Strong
High-intensity alternatives suggesting significant effort or formality.
- Investigation (thorough search)
- Examination (detailed look)
- Demonstration (formal showing)
- Venture (risky attempt)
How Intensity Changes Meaning: “I’ll try it” is mild. “I’ll conduct an investigation” is much more serious. Choose stronger words when you want to emphasize formality or effort.
Real-Life Examples
School: “The students conducted a science experiment.”
Office: “We’re running a trial of the new software.”
Business Email: “Please prepare a demonstration for the client.”
Meetings: “The investigation into the problem is ongoing.”
Presentations: “Our procedure for testing is thorough.”
Daily Conversations: “I’ll give it a try and see how it goes.”
Social Media: “Experimenting with a new recipe tonight!”
Academic Writing: “The observation was carefully recorded.”
Common Collocations
| Common Phrase | Better Alternative |
|---|---|
| Science experiment | Scientific trial |
| Experiment results | Test results |
| Conduct an experiment | Run a trial |
| Experiment with | Try out |
| Failed experiment | Failed attempt |
Common Phrases
Give it a go: To try something. (e.g., “Why not give it a go?”)
Take a stab at: To make an attempt. (e.g., “I’ll take a stab at it.”)
Put to the test: To test something. (e.g., “We’ll put it to the test.”)
Back to the drawing board: Start over after failure. (e.g., “That didn’t work—back to the drawing board.”)
Trial by fire: A difficult first test. (e.g., “The first project was a trial by fire.”)
Context Guide
| Situation | Best Synonym | Reason |
|---|---|---|
| Essay | Investigation | Academic and formal |
| Speech | Trial | Clear and inspiring |
| Business Email | Trial/Test | Professional and clear |
| Novel | Venture | Adds literary depth |
| Presentation | Demonstration | Shows understanding |
| Conversation | Try | Natural and relatable |
| Academic Writing | Investigation | Precise and formal |
| Marketing Copy | Experiment | Engaging and modern |
Related Words
Near Synonyms
- Trial: A test.
- Test: A check.
- Attempt: An effort.
- Try: An attempt.
- Proof: Evidence.
Antonyms
- Conclusion: The end of testing.
- Certainty: No need to test.
- Result: The outcome of testing.
- Answer: The solution.
- Proof: Confirmed truth.
Related Adjectives
- Experimental: Related to experiments.
- Tentative: Not final.
- Preliminary: Before the final test.
- Trial: Test-related.
- Exploratory: Exploring new ideas.
Related Nouns
- Trial: A test.
- Test: A check.
- Attempt: An effort.
- Proof: Evidence.
- Result: The outcome.
Related Verbs
- Test: To check.
- Try: To attempt.
- Prove: To show truth.
- Demonstrate: To show how.
- Observe: To watch carefully.
Frequently Asked Questions
What is another word for experiment?
Common synonyms include trial, test, attempt, trial run, and trial and error. “Trial” is the most common and direct alternative.
Which synonym sounds the most professional?
Investigation and demonstration sound very professional. “Procedure” is also excellent for formal contexts.
What is the strongest synonym for experiment?
Investigation and examination are among the strongest synonyms. They suggest thorough, careful testing.
Which synonym is best for essays?
Investigation is the best choice for academic essays. It’s formal and precise.
What’s the difference between experiment and trial?
“Experiment” often suggests discovering something new. Trial” often means testing for effectiveness.
Which synonym is most common in everyday English?
“Try” and “attempt” are very common in everyday speech. “Test” is also frequently used.
What is the opposite of experiment?
Common opposites include conclusion and certainty. These words describe the end of testing.
Conclusion
“Experiment” is a useful word, but now you have 35 fantastic alternatives. Each synonym adds a different shade of meaning to your language.
Remember, the key is understanding the context. Use “trial” for testing effectiveness. Use “test” for general checks. Use “investigation” for formal research. Use “attempt” for trying something.
The best way to improve is practice. Try using one or two new synonyms each day. Listen for these words in conversations and books. Your vocabulary will become richer and more expressive with time.
