extend oneself

VERB
14 LETTERS · STARTS WITH E

extend oneself is a valid 14-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
E1X8T1E1N1D2O1N1E1S1E1L1F4
1 + 8 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 4 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does extend oneself mean?

VERB · 1 SENSE
1

Strain to the utmost.