| noun | the act of testing something “in the experimental trials the amount of carbon was measured separately” |
| noun | trying something to find out about it “a sample for ten days free trial” |
| noun | the act of undergoing testing “he survived the great test of battle” |
| noun | (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” |
| noun | (sports) a preliminary competition to determine qualifications “the trials for the semifinals began yesterday” |
| noun | an annoying or frustrating or catastrophic event “his mother-in-law's visits were a great trial for him” |
| test | verb | determine the presence or properties of (a substance) |
| run | verb | progress by being changed |
| try | verb | take a sample of |
| try out | verb | put to the test, as for its quality, or give experimental use to |
| tribulate | verb | oppress or trouble greatly |
| visit | verb | impose something unpleasant |