inflexibly determined; absolutely determined; fiercely intent
I'm afraid my mother is adamant: she absolutely refuses to let me marry you.
adamas adamantos (unbreakable, inflexible) (Greek)
A+DAM+ant. A DAM IS GENERALLY INFLEXIBLE AND HARD so vehicles can pass through it. adam. adam Gillcrist (aus player). hitting every ball so "hard" making them to six. adam+ant. adam is comparing with the ant and saying he is hard and inflexible than the ant