blunder upon

12 LETTERS · STARTS WITH B

blunder upon is a valid 12-letter word worth 16 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3L1U1N1D2E1R1U1P3O1N1

3 + 1 + 1 + 1 + 2 + 1 + 1 + 0 + 1 + 3 + 1 + 1 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does blunder upon mean?