ADAMANT

Pronunciation (US):

 Dictionary entry overview: What does adamant mean? 

• ADAMANT (noun)
  The noun ADAMANT has 1 sense:

1. very hard native crystalline carbon valued as a gem

  Familiarity information: ADAMANT used as a noun is very rare.

• ADAMANT (adjective)
  The adjective ADAMANT has 1 sense:

1. impervious to pleas, persuasion, requests, reason

  Familiarity information: ADAMANT used as an adjective is very rare.

 Dictionary entry details 

• ADAMANT (noun)

Meaning:

Very hard native crystalline carbon valued as a gem

Classified under:

Nouns denoting substances

Synonyms:

adamant; diamond

Hypernyms ("adamant" is a kind of...):

atomic number 6; C; carbon (an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds)

transparent gem (a gemstone having the property of transmitting light without serious diffusion)

Hyponyms (each of the following is a kind of "adamant"):

black diamond; carbonado (an inferior dark diamond used in industry for drilling and polishing)

• ADAMANT (adjective)

Meaning:

Impervious to pleas, persuasion, requests, reason

Synonyms:

adamant; intransigent; inexorable; adamantine

Context examples:

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

Similar:

inflexible (incapable of change)