adamantine
/,ædə'mæntain/
Definition
- Adjective:
- Extremely hard and unbreakable: Having the hardness or durability of a diamond or similar substance.
- Unyielding and inflexible in attitude or opinion: Impervious to persuasion, requests, or reason; stubbornly determined.
Examples of Usage
- Adjective:
- The vault was secured with an adamantine door. (The vault was secured with an extremely hard, unbreakable door.)
- Despite the pressure, the leader remained adamantine in her decision. (Despite the pressure, the leader remained utterly unyielding in her decision.)
Advanced Usage
- "adamantine will/resolve": An unbreakable, firm determination.
- Her adamantine resolve saw the project through to completion. (Her unbreakable determination ensured the project was completed.)
- "adamantine hardness": A quality of extreme physical hardness.
- Scientists are researching materials with adamantine hardness for industrial use. (Scientists are researching materials with diamond-like hardness for industrial use.)
Variants and Related Words
- Adamant (adj): Unyielding; refusing to be persuaded. (This is the more common form for describing an unyielding attitude).
- He was adamant that he was right.
- Adamantly (adv): In an utterly unyielding manner.
- She adamantly refused the offer.
Synonyms
- Inflexible: Unwilling to change or compromise.
- Inexorable: Impossible to stop or prevent; unyielding.
- Intransigent: Unwilling to change one's views or agree about something.
- Unbending: Not yielding; inflexible.
- Diamond-hard: Having the extreme hardness of a diamond.
Antonyms
- Yielding: Giving way under pressure; compliant.
- Flexible: Ready and able to change; adaptable.
- Pliable: Easily bent or influenced.
- Malleable: Easily influenced; pliable.
Notes on Meaning
- The first meaning (extremely hard) is literal and often used in scientific, technical, or poetic contexts to describe physical properties.
- The second meaning (unyielding in attitude) is figurative and describes a person's character or resolve. In modern usage, adamant is far more common for this figurative sense, while adamantine can sound more literary or formal.
Adjective
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impervious to pleas, persuasion, requests, reason; she would have none of him"- W.Churchill
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he is adamant in his refusal to change his mind
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Cynthia was inexorable
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an intransigent conservative opposed to every liberal tendency
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having the hardness of a diamond
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consisting of or having the hardness of adamant
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