I. (ˈ)plü|pərfə̇kt, -|pə̄f- adjective
Etymology: modification of Late Latin plusquamperfectus, from Latin plus more + quam than + Late Latin perfectus perfect (of a tense) — more at plus , quantity , perfect
1. : past perfect
2. : more than perfect or complete : superlative , utter
• plu·per·fect·ly adverb
• plu·per·fect·ness noun
II. noun
1. : the pluperfect tense of a language
2. : a verb form in the pluperfect tense