tested
v.v. to check something to see if it works correctly or to find out how much someone knows. You do this to make sure something is safe, true, or high quality.
v. to subject something to a procedure to determine its quality, performance, or reliability; to examine a person's knowledge or proficiency. Often used in the past participle as an adjective to indicate proven reliability.
The mechanic tested the brakes to make sure the car was safe.
The teacher tested the students on their vocabulary knowledge at the end of the week.
Engineers tested the bridge's structural integrity under extreme weather conditions to ensure it could withstand the predicted hurricane season.
The verb is transitive and requires a direct object; it can also be used in the passive voice.
The teacher tested to the studentsThe teacher tested the studentsThe verb is transitive and takes a direct object without a preposition.