English adjective: adamantine | |||
1. | adamantine consisting of or having the hardness of adamant | ||
2. | adamantine having the hardness of a diamond | ||
Similar | hard | ||
Antonyms | soft | ||
3. | adamantine impervious to pleas, persuasion, requests, reason | ||
Samples | He is adamant in his refusal to change his mind. Cynthia was inexorable; she would have none of him. An intransigent conservative opposed to every liberal tendency. | ||
Synonyms | adamant, inexorable, intransigent | ||
Similar | inflexible | ||
Antonyms | flexible | ||