pluperfect

from The American Heritage® Dictionary of the English Language, 4th Edition

• adj. Of or being a verb tense used to express action completed before a specified or implied past time.
• adj. More than perfect; supremely accomplished; ideal: "He has won a reputation as [a] pluperfect bureaucrat” ( New York Times).
• n. The pluperfect tense, formed in English with the past participle of a verb and the auxiliary had, as had learned in the sentence He had learned to type by the end of the semester. Also called past perfect.
• n. A verb or form in the pluperfect tense.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• adj. More than perfect
• adj. Pertaining to action completed before or at the same time as another
• n. The pluperfect tense
• n. A verb in this tense

from the GNU version of the Collaborative International Dictionary of English

• adj. 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.

from The Century Dictionary and Cyclopedia

• Noting the time, or the expression of time, of an action occurring prior to another specified time: as, the pluperfect tense.
• n. In grammar, the pluperfect tense of a verb, or an equivalent verb-phrase: for example, Latin amaveram, English ‘I had loved.’
• In music, augmented: said of intervals.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adj. more than perfect
• n. a perfective tense used to express action completed in the past