What does adamancy mean?
Adamancy is a noun denoting unyielding firmness — the quality of holding to a position, decision, or refusal so resolutely that persuasion becomes impossible. It is the abstract counterpart of the adjective 'adamant': one can be adamant about a belief, and that unwavering stance is one's adamancy. The word carries a connotation of immovability, sometimes admiring (as in principled steadfastness) and sometimes critical (as in stubbornness or inflexibility), depending on the observer's view of what is being defended. It appears chiefly in formal writing, journalism, and literary prose, where it lends weight to descriptions of determined negotiators, unbending officials, or resolute refusals. The term derives ultimately from the Greek 'adamas,' meaning untameable or invincible, the root behind both 'adamant' and 'diamond' — a fitting lineage for a word describing something that cannot be worn down.
nounThe quality or state of being adamant; unyielding firmness of purpose, opinion, or refusal.
- Unyielding firmness or inflexibility of will, opinion, or refusal; the state of being adamant.
"Despite hours of negotiation, she held to her position with quiet adamancy."
"The committee's adamancy on the budget left little room for compromise."
"He refused the offer with such adamancy that no one dared raise it again."
Rarely used in the plural; the word is almost always treated as an uncountable abstract quality.
"The memoir recounts the adamancies of several heads of state during the crisis."
Adamancy traces back to 'adamas,' the ancient Greek word for an unbreakable stone — the same root that eventually gave us the word diamond.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of adamancy
Adamancy derives from 'adamant,' which entered English via Latin 'adamans' (genitive 'adamantis'), borrowed from Greek 'adamas,' meaning 'untameable' or 'invincible' — literally 'not able to be subdued.' In ancient usage, adamas referred to an extremely hard substance, often identified with diamond, which is why 'diamond' shares this etymology. The noun 'adamancy' formed from the adjective 'adamant' on the pattern of other '-ancy' abstract nouns, appearing in English by at least the early modern period.
Related word forms
How adamancy is actually used
A formal, somewhat literary word; in everyday speech speakers more often use the adjective 'adamant' (e.g., 'she was adamant') than the noun form.
Easily confused with adamancy
Adamant is an adjective describing a person who is unshakably firm, while adamancy is the noun naming that quality itself.