dual personality

16 LETTERS · STARTS WITH D

dual personality is a valid 16-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2U1A1L1P3E1R1S1O1N1A1L1I1T1Y4

2 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 4 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does dual personality mean?