| 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 | ||