trial

1. trial (noun) — sense 1

Definition: An occasion on which a person or thing is tested to find out how well they perform or how suitable they are.

Example: all thy vexations / Were but my trials of thy love and thou / Hast strangely stood the test here

2. trial (noun) — sense 2

Definition: An occasion on which a person or thing is tested to find out how well they perform or how suitable they are.: The testing of a product or procedure.

Example: They will perform the trials for the new equipment next week.

3. trial (noun) — sense 3

Definition: An occasion on which a person or thing is tested to find out how well they perform or how suitable they are.: A research study to test the effectiveness and safety of a drug, medical procedure, etc.

Example: A randomized, controlled trial (RCT).

4. trial (adj) — sense 4

Definition: Pertaining to a trial or test.

5. trial (adj) — sense 5

Definition: Attempted on a provisional or experimental basis.

6. trial (verb) — sense 6

Definition: To carry out a series of tests on (a new product, procedure etc.) before marketing or implementing it.

Example: The warning system was extensively trialed before being fitted to all our vehicles.

7. trial (verb) — sense 7

Definition: To try out (a new player) in a sports team.

Example: The team trialled a new young goalkeeper in Saturday's match, with mixed results.