set in stone

ADJECTIVE
12 LETTERS · STARTS WITH S

set in stone is a valid 12-letter word worth 10 points in Scrabble and 12 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1E1T1I1N1S1T1O1N1E1
1 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 =10 PTS
DOUBLE WORD → 20TRIPLE WORD → 30
MEANING

What does set in stone mean?

ADJECTIVE · 1 SENSE
1

No longer changeable.

“the agreement is not yet set in stone”