1. having been subjected to testing; proven through experience or examination

1. past tense and past participle of test; examined or tried to determine quality, performance, or reliability

Examples

• The students tested their knowledge with practice exams.
• She tested the new recipe before serving it to guests.
• The software was tested for bugs before release.
• He is a tested leader who has handled many crises.
• The tested method proved most effective.
• Scientists tested the hypothesis through careful experiments.
• The car was tested at high speeds on the track.