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Webster 1913 Edition
Pluperfect
Plu′perˊfect
,Adj.
[L.
plus
more + perfectus
perfect; cf. F. plus-que-parfait
, L. plusquamperfectum
.] More than perfect; past perfect; – said of the tense which denotes that an action or event was completed at or before the time of another past action or event.
– Noun.
The pluperfect tense; also, a verb in the pluperfect tense.