underestimation

NOUN
15 LETTERS · STARTS WITH U

underestimation is a valid 15-letter word worth 18 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1N1D2E1R1E1S1T1I1M3A1T1I1O1N1
1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does underestimation mean?

NOUN · 1 SENSE
1

An estimation that is too low; an estimate that is less than the true or actual value.