First Known Use: 13th century
Dictionary
adamantine
adjective ad·a·man·tine \ˌa-də-ˈman-ˌtēn, -ˌtīn, -ˈman-tən\
Definition of ADAMANTINE
1
: made of or having the quality of adamant
2
: rigidly firm : unyielding <adamantine discipline>
3
: resembling the diamond in hardness or luster
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Origin of ADAMANTINE
Middle English, from Latin adamantinus, from Greek adamantinos, from adamant-, adamas
Related to ADAMANTINE
- Synonyms
- adamant, obstinate, bullheaded, dogged, hard, hardened, hardheaded, hard-nosed, headstrong, immovable, implacable, inconvincible, inflexible, intransigent, mulish, obdurate, opinionated, ossified, pat, pertinacious, perverse, pigheaded, self-opinionated, self-willed, stiff-necked, stubborn, unbending, uncompromising, unrelenting, unyielding, willful (or wilful)
Medical Dictionary
adamantine
adjective ad·a·man·tine \ˌad-ə-ˈman-ˌtēn, -ˌtīn, -ˈmant-ən\
Medical Definition of ADAMANTINE
: characterized by extreme hardness or luster
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