The form of a verb, typically ending in -ed in English, that is used in forming perfect and passive tenses and sometimes as an adjective, e.g., looked in have you looked?and lost in lost property.
A participle that typically expresses completed action, that is traditionally one of the principal parts of the verb, and that is traditionally used in English in the formation of perfect tenses in the active voice and of all tenses in the passive voice.
