prolixity

NOUN /proʊ'lɪksɪti/
9 LETTERS · 4 SYLLABLES · STARTS WITH P

prolixity is a valid 9-letter word worth 21 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3R1O1L1I1X8I1T1Y4
3 + 1 + 1 + 1 + 1 + 8 + 1 + 1 + 4 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does prolixity mean?