trial run n 1: trying something to find out about it; "a sample for ten days free trial"; "a trial of progesterone failed to relieve the pain" [syn: {trial}, {trial run}, {test}, {tryout}]
21 Moby Thesaurus words for "trial run": Gedankenexperiment, audition, bench test, dry run, experimentation, flight test, hearing, pilot plan, practical test, practice, rehearsal, road test, shakedown, shakedown cruise, test, test flight, test run, trial, trial and error, tryout, workout