incertitude

NOUN /ɪn'sɜrtɪ,tud/
11 LETTERS · 4 SYLLABLES · STARTS WITH I

incertitude is a valid 11-letter word worth 14 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1C3E1R1T1I1T1U1D2E1
1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 1 =14 PTS
DOUBLE WORD → 28TRIPLE WORD → 42
MEANING

What does incertitude mean?