adamantineadjective
/ˌæd.əˈmæn.taɪn//ˌæd.əˈmæn.taɪn/literaryextremely hard:
a wall of adamantine rock
extremely determined and strong or unwilling to change:
He bowed to her adamantine will.
Thesaurus: synonyms and related words
Hard and firm
- (as) stiff/straight as a ramrod idiom
- cast iron
- congeal
- crisp
- crispy
- crunchy
- crusty
- hard
- harden
- horny
- ossification
- ossify
- petrified
- ramrod
- rigid
- solid
- stiff
- stiffness
- temper
- unyielding
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You can also find related words, phrases, and synonyms in the topics:
Strong-willed