unsibilant

10 LETTERS · 4 SYLLABLES · STARTS WITH U

unsibilant is a valid 10-letter word worth 12 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1N1S1I1B3I1L1A1N1T1

1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =12 PTS

DOUBLE WORD → 24TRIPLE WORD → 36

MEANING

What does unsibilant mean?