Answer: ossify

AnswerCrossword Clue
OSSIFY

Harden, in a way

OSSIFY

Become rigid and inflexible

OSSIFY

Become hardened

OSSIFY
Become fixed
OSSIFY
Become hindbound
OSSIFYMake rigid.
OSSIFYHarden.
OSSIFYBecome callous or set.
OSSIFYBecome callous.
OSSIFYBecome inflexible
OSSIFYHarden
OSSIFYTurn to bone
OSSIFYGet set in one's ways
OSSIFYBecome bony
OSSIFYBone up?
OSSIFYBecome rigid
OSSIFYHarden into bone
OSSIFYTurn into bone
OSSIFYBecome bone-hard