most importantly

ADVERB
16 LETTERS · STARTS WITH M

most importantly is a valid 16-letter word worth 24 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3O1S1T1I1M3P3O1R1T1A1N1T1L1Y4
3 + 1 + 1 + 1 + 0 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 4 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does most importantly mean?

ADVERB · 1 SENSE
1

Above and beyond all other consideration.