backbreaking work

17 LETTERS · STARTS WITH B

backbreaking work is a valid 17-letter word worth 38 points in Scrabble and 43 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3A1C3K5B3R1E1A1K5I1N1G2W4O1R1K5

3 + 1 + 3 + 5 + 3 + 1 + 1 + 1 + 5 + 1 + 1 + 2 + 0 + 4 + 1 + 1 + 5 =38 PTS

DOUBLE WORD → 76TRIPLE WORD → 114

MEANING

What does backbreaking work mean?