pluperfect tense

NOUN
16 LETTERS · STARTS WITH P

pluperfect tense is a valid 16-letter word worth 24 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3L1U1P3E1R1F4E1C3T1T1E1N1S1E1
3 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 3 + 1 + 0 + 1 + 1 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does pluperfect tense mean?

NOUN · 1 SENSE
1

A perfective tense used to express action completed in the past.