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
• wilful
• unbending
• unyielding
• persistent
• strict
• bullheaded
• unrelenting
• headstrong
• adamantine
• hardheaded
• immovable
• mulish
• inflexible
• dogged
• pertinacious
• pigheaded
• relentless
• pat
• hard-nosed
• perverse
• ossified
• defiant
• iron
• self-willed
• inconvincible
• tenacious
• resolved
• stiff-necked
• 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
• hard-shelled
• 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

Keeping her content respectful is also important, and Abrams is adamant about telling these individual's stories and restoring their graves with their humanity in mind. —Tabitha Parent, PEOPLE, 29 Oct. 2025

This came after previous reports that Harry was adamant about protecting the couple’s children. —Lizzie Lanuza, StyleCaster, 29 Oct. 2025

Asked, in fact, whether any of the plazas or parks or streets in the development will bear their name, Chris was adamant. —Kansas City Star, 27 Oct. 2025

However, Serafini is adamant that CURE's policy paperwork did in fact show the son as a driver. —Jc Reindl, Freep.com, 27 Oct. 2025