Answer: ADAMANT

AnswerCrossword Clue
ADAMANTFirm
ADAMANTRock star
ADAMANTUnyielding rock singer?
ADAMANTHard
ADAMANTFirm in one's view
ADAMANTIntractable
ADAMANTImpenetrably hard
ADAMANTAn unbreakable substance
ADAMANTObdurate
ADAMANTUnbending
ADAMANTHardly flexible
ADAMANTUnbreakable substance.
ADAMANTStony.
ADAMANTExtremely hard.
ADAMANTImmovable.
ADAMANTPrincess Ida's castle.
ADAMANTRocklike.
ADAMANTIndomitable.
ADAMANTHard.
ADAMANTUnwavering
adamantunyielding
adamanta hard substance
ADAMANTNot flexible
ADAMANTIntransigent
ADAMANTResolute
ADAMANTDead-set
ADAMANTUnswayable
ADAMANTStanding pat
ADAMANTDisinclined to move
ADAMANTDetermined.
ADAMANTNot taking no for an answer
ADAMANTStubborn bug pursues "Paradise Lost" character (7)
ADAMANTRefusing to give
ADAMANTA mother insect is unrelenting
ADAMANTUnlikely to reconsider
ADAMANTUncompromising fellow in reverse flourish (7)
ADAMANTFar from easygoing
ADAMANTHeadstrong
ADAMANTObstinate
ADAMANTStubborn