Adamantine - definition, pronunciation, transcription

Amer.  |ˌædəˈmæntaɪn|  American pronunciation of the word adamantine
Brit.  |ˌadəˈmantʌɪn|  British pronunciation of the word adamantine

adjective

- having the hardness of a diamond
- impervious to pleas, persuasion, requests, reason (syn: adamant, inexorable, intransigent)

Examples

...the adamantine opposition of his parents to his marriage to a girl from a poor family...

See also:  WebsterWiktionaryLongman