unassailably

ADVERB
12 LETTERS · 5 SYLLABLES · STARTS WITH U

unassailably is a valid 12-letter word worth 17 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1N1A1S1S1A1I1L1A1B3L1Y4
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 4 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does unassailably mean?

ADVERB · 1 SENSE
1

In an unalterable and unchangeable manner.