Find more ways to say experiment, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. 26 synonyms for experimental: test, trial, pilot, preliminary, provisional, tentative, speculative, empirical, exploratory, trial-and-error, fact-finding.... What are synonyms for experimental? Synonyms for experimental in Free Thesaurus. See more. Synonyms: experiment, experimentation. synonyms conduct experiments , carry out tests, carry out trials, conduct research test , trial, put to the test, do tests on, try out, carry out trials on, assess, appraise, evaluate experiment, experimentation (noun) the testing of an idea "it was an experiment in living"; "not all experimentation is done in laboratories" Synonyms: experiment, experimentation. Synonyms for experiment include investigation, test, trial, analysis, examination, study, demonstration, experimentation, observation and probe. Experiment definition, a test, trial, or tentative procedure; an act or operation for the purpose of discovering something unknown or of testing a principle, supposition, etc. Antonyms for experimental. Find another word for experiments. Find more ways to say experimenting, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. experiment - WordReference thesaurus: synonyms, discussion and more. 4 synonyms of experiments from the Merriam-Webster Thesaurus, plus 13 related words, definitions, and antonyms. Antonyms for Science experiments. All Free. Synonyms for Science experiments in Free Thesaurus. : a chemical experiment; a teaching experiment; an experiment in living. Experiments: a procedure or operation carried out to resolve an uncertainty. Another word for experimenting. Another word for experiment. Another word for experiment: test, trial, investigation, examination, venture | Collins English Thesaurus (2) Synonyms for experiments in Free Thesaurus. Synonyms (Other Words) for Experiment & Antonyms (Opposite Meaning) for Experiment. Antonyms for experiments.