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Definitions

experiment

[ik-sper-uh-muhnt, ek-sper-uh-ment] / ɪkˈspɛr ə mənt, ɛkˈspɛr əˌmɛnt /
NOUN
investigation, test
Synonyms
STRONGEST
analysis attempt enterprise examination exercise experimentation measure observation operation practice probe procedure research search study trial undertaking venture
STRONG
agreement assay check dissection essay fling proof quiz rehearsal scrutiny speculation try try-on tryout verification
WEAK
R and D dry run research and development trial and error trial run
Antonyms
STRONGEST
abstention idleness ignorance inaction neglect
VERB
investigate, test
Synonyms
STRONGEST
analyze examine explore
STRONG
assay diagnose probe prove research sample scrutinize search speculate study try venture verify weigh
WEAK
fool with futz around mess around play around with practice with put to the test shake down try on try on for size try out
Antonyms
STRONG
abstain discredit disprove ignore neglect

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Project Maven is the Pentagon's flagship artificial intelligence program, launched in 2017 as a narrow experiment to help military analysts make sense of the torrent of drone footage pouring in from conflict zones.

From Barron's • Apr. 5, 2026

During the experiment, they saw an additional dark band appear at the front edge of the cell, the area that extends as the cell moves.

From Science Daily • Apr. 1, 2026

For me, it was important to give us the rehearsal space, to experiment with the physicality of the space and how we relate to each other.

From Los Angeles Times • Apr. 1, 2026

The idea of having Foden as Kane's central striking understudy is now a non-starter after the experiment of using him as a false nine against Japan was cut short after less than an hour.

From BBC • Apr. 1, 2026

I just bet partnering me with Bernard is some devious experiment: what happens if we mix trouble-hating girl with bully boy?

From "A Good Kind of Trouble" by Lisa Moore Ramée

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.