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

Rank-and-file Republicans are adamant about moving legislation with more money for federal immigration enforcement alongside a bill to fund the rest of DHS. —Zachary Schermele, USA Today, 22 Apr. 2026

Punk tried to battle back, but Reigns was adamant. —Ryan Gaydos, FOXNews.com, 20 Apr. 2026

Following their Play-In loss, Leonard was non-committal about his future, but Frank was adamant about the team’s intentions. —Janis Carr, Oc Register, 17 Apr. 2026

The police were very adamant from early on in the investigation that no one in the Guthrie family was involved. —Lizzie Lanuza, StyleCaster, 16 Apr. 2026