What does "Adamant" mean?
(n.) A stone imagined by some to be of impenetrable hardness; a name given to the diamond and other substances of extreme hardness; but in modern mineralogy it has no technical signification. It is now a rhetorical or poetical name for the embodiment of impenetrable hardness (n.) Lodestone; magnet
Example: "He is adamant in his refusal to change his mind"
Word Family adamantly