definitive work

15 LETTERS · STARTS WITH D

definitive work is a valid 15-letter word worth 28 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2E1F4I1N1I1T1I1V4E1W4O1R1K5

2 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 0 + 4 + 1 + 1 + 5 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does definitive work mean?