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

Steichen was adamant one game won’t define the Colts’ season. — James Boyd, New York Times, 14 Sep. 2026

Tim Kuiper, chairman of the board of the Lake Ridge Fire Protection District, was adamant that the tax dollars continue to provide fire service and new revenues would cover the ambulance service, Hudson said. — Maya Wilkins, Chicago Tribune, 11 Sep. 2026

In the sequel, as in the book, Bullock’s Sally is adamant about keeping her daughters entirely in the dark about magic, convinced it’d be the only way to keep them safe and live a normal life. — Lexy Perez, HollywoodReporter, 10 Sep. 2026

Amid his growing career success, Ford remained adamant about protecting time at home. — Juliana Ukiomogbe, Architectural Digest, 10 Sep. 2026