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

Coach Ryan Day has been adamant most of his career that Ohio State will remain Ohio State no matter who is calling plays. — Cameron Teague Robinson, New York Times, 21 Aug. 2026

Vendors say business will continue after Parlor The food tenants who have spoken out about the sudden closure have all been adamant that this isn’t where their businesses end. — Kansas City Star, 20 Aug. 2026

Herrman was adamant that this was not a result of competition. — Zev Fima, CNBC, 19 Aug. 2026

Warsh has been adamant about giving Wall Street less guidance about the Fed’s plans for interest rates. — Stan Choe, Los Angeles Times, 17 Aug. 2026