trial
Trying something to find out about it.
“a sample for ten days free trial”
“a trial of progesterone failed to relieve the pain”
An annoying or frustrating or catastrophic event.
“his mother-in-law's visits were a great trial for him”
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”
The act of undergoing testing.
“candidates must compete in a trial of skill”
(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”
(sports) a preliminary competition to determine qualifications.
“the trials for the semifinals began yesterday”