- perfective, perfective tense, perfect, perfect tense - a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
--1 is a kind of tense
--1 has particulars:present perfect, present perfect tense; past perfect, past perfect tense, pluperfect, pluferfect tense; future perfect, future perfect tense - perfective, perfective aspect - the aspect of a verb that expresses a completed completed action
--2 is a kind of aspect