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
The pluperfect is the same as the past perfect. the pluperfect the past perfect tense of a verb (plusquamperfectus )
a perfective tense used to express action completed in the past; "`I had finished' is an example of the past perfect"
{i} grammatical tense which places one past action in relation to another past action (Ex: When you arrived, I had already left. - "I had left" = pluperfect tense)