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

De Oliveira is adamant that safety is a huge priority on set, especially with weapons. — Nicole Fell, HollywoodReporter, 3 Aug. 2026

The Dodgers have been adamant that Shohei Ohtani (nagging knee trouble) will return as a pitcher. — Fabian Ardaya, New York Times, 2 Aug. 2026

That’s because Warsh has been adamant about not wanting to broadcast his views on where interest rates should. — Jeanne Sahadi, CNN Money, 29 July 2026

Oh hasn’t returned to the show since her departure in 2014 and, over the years, has been adamant about her decision not to come back. — Virginia Chamlee, PEOPLE, 28 July 2026