determined not to change your mind or to be persuaded about something 坚决的;坚定不移的 Eva was adamant that she would not come. 伊娃坚决不来。 The government remained adamant that there was no more money available. 政府仍然坚持认为没有更多的钱了。
Oxford Collocations DictionaryAdamant is used with these nouns:- refusal
Word OriginOld English (as a noun), from Old French adamaunt-, via Latin from Greek adamas, adamant-, ‘untameable, invincible’ (later used to denote the hardest metal or stone, hence diamond), from a- ‘not’ + daman ‘to tame’.