adjective

adamant

adamant, unyielding, insistent

He was adamant that he was not guilty.

He was adamant that he was not guilty.

She is adamant about her decision.

She is adamant about her decision.

((that ...)) refusing to be persuaded that something is the case He was adamant that he was not guilty.

((about/in sth.)) unyielding about something She is adamant about her decision.

Synonyms: unshakeable, inflexible, stubborn; Antonyms: flexible, yielding

From Old French 'adamant', from Latin 'adamas', from Greek 'adamas' meaning 'unconquerable'. Originally referred to a mythical hard stone, later diamond.

Imagine someone as hard and unchangeable as a diamond. 'A dam' can't be moved, so someone who is 'adamant' can't be moved from their position.

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