adamant
adjectiveDefinition of adamant
(Entry 1 of 2)
: unshakable or insistent especially in maintaining a position or opinion : unyielding
an adamant insistence on doing things his own way was adamant about making the change
adamant
nounDefinition of adamant (Entry 2 of 2)
1
: a stone (such as a diamond) formerly believed to be of impenetrable hardness
2
: an unbreakable or extremely hard substance
"Trust not in your gold and silver, trust not in your high fortresses; for, though the walls were of iron, and the fortresses of adamant, the Most High shall put terror into your hearts and weakness into your councils …"— George Eliot
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