1. test, trial, run, attempt, effort, endeavor, endeavour, try

usage: the act of testing something; "in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial"

2. trial, trial run, test, tryout, experiment, experimentation

usage: trying something to find out about it; "a sample for ten days free trial"; "a trial of progesterone failed to relieve the pain"

3. test, trial, attempt, effort, endeavor, endeavour, try

usage: the act of undergoing testing; "he survived the great test of battle"; "candidates must compete in a trial of skill"

4. trial, proceeding, legal proceeding, proceedings

usage: (law) the determination of a person's innocence or guilt by due process of law; "he had a fair trial and the jury found him guilty"; "most of these complaints are settled before they go to trial"

5. trial, contest, competition

usage: (sports) a preliminary competition to determine qualifications; "the trials for the semifinals began yesterday"

6. trial, tribulation, visitation, affliction

usage: an annoying or frustrating or catastrophic event; "his mother-in-law's visits were a great trial for him"; "life is full of tribulations"; "a visitation of the plague"

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See also: trial (Dictionary)