Synonyms of adamant

adamant

adjective

ˈa-də-mənt 

as in stubborn

sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion

remained adamant about getting the actor's autograph even after he had disappeared backstage

Synonyms & Similar Words

• stubborn
• steadfast
• hardened
• obdurate
• intransigent
• obstinate
• implacable
• uncompromising
• unbending
• obsessive
• unyielding
• opinionated
• bullheaded
• unrelenting
• headstrong
• adamantine
• hardheaded
• immovable
• determined
• mulish
• inflexible
• hard
• willful
• dogged
• pertinacious
• persistent
• pigheaded
• strict
• pat
• hard-nosed
• perverse
• relentless
• ossified
• self-willed
• inconvincible
• tenacious
• stiff-necked
• resolved
• defiant
• iron
• self-opinionated
• unflinching
• deaf to reason
• stern
• inexorable
• rigid
• wrongheaded
• hard-line
• severe
• wayward
• contrary
• single-minded
• confirmed
• cantankerous
• uncooperative
• firm
• hell-bent
• stouthearted
• narrow-minded
• recalcitrant
• indomitable
• invincible
• hidebound
• intractable
• disobedient
• anal-retentive
• bloody-minded
• mutinous
• contumacious
• unmanageable
• hard-shell
• demanding
• unruly
• set
• insubordinate
• unconquerable
• inveterate
• refractory
• cussed
• ungovernable
• exacting
• froward
• insurgent
• unregenerate

Antonyms & Near Antonyms

• amenable
• flexible
• complying
• compliant
• agreeable
• acquiescent
• pliable
• pliant
• obedient
• docile
• willing
• receptive
• yielding
• submissive
• accepting
• responsive
• tractable
• reasonable
• relenting
• manageable
• placable
• temperate
• persuadable
• subservient
• slavish
• governable

Synonym Chooser

How is the word adamant different from other adjectives like it?

The words inflexible and obdurate are common synonyms of adamant. While all three words mean "unwilling to alter a predetermined course or purpose," adamant implies utter immovability in the face of all temptation or entreaty.

adamant that the work should continue

When is it sensible to use inflexible instead of adamant?

The words inflexible and adamant can be used in similar contexts, but inflexible implies rigid adherence or even slavish conformity to principle.

inflexible in their demands

When could obdurate be used to replace adamant?

The words obdurate and adamant are synonyms, but do differ in nuance. Specifically, obdurate stresses hardness of heart and insensitivity to appeals for mercy or the influence of divine grace.

obdurate in his refusal to grant clemency

Example Sentences

Recent Examples of adamant

The two-year explosion in popularity has been a boon for moving volumes, stemming from a surprising excitement in younger readers who are adamant about buying tangible copies. — Christopher Cruz, Rolling Stone, 28 Oct. 2026

Who Hosts The Shower Some people are adamant that the immediate family of a bride or parent-to-be should never host the shower, suggesting that such a move seems self-serving or like a greedy call for gifts. — Betsy Cribb Watson, Southern Living, 28 Oct. 2026

Seems unlikely that Kiffin would be adamant that the Big Ten's nine-game conference schedule is dragging down their results. — Ian Miller Outkick, FOXNews.com, 21 Oct. 2026

Wade is adamant that all her creative ideas begin with her, before developing them through physical, technical processes like sewing, draping, pattern-making and sketching. — Amy O’Brien, Vogue, 20 Oct. 2026