Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun trial_run
1 sense of trial run
Sense 1
trial, trial run, test, tryout -- (trying something to find out about it; "a sample for ten days free trial"; "a trial of progesterone failed to relieve the pain")
=> experiment, experimentation -- (the testing of an idea; "it was an experiment in living"; "not all experimentation is done in laboratories")