Synonyms of unrelenting

unrelenting

adjective

ˌən-ri-ˈlen-tiŋ 

1

as in adamant

sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion

that professor tends to be unrelenting about deadlines

Synonyms & Similar Words

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

Antonyms & Near Antonyms

• complying
• flexible
• compliant
• acquiescent
• agreeable
• yielding
• amenable
• pliant
• obedient
• pliable
• docile
• submissive
• responsive
• tractable
• willing
• receptive
• relenting
• accepting
• reasonable
• manageable
• placable
• temperate
• slavish
• subservient
• persuadable
• governable

2

as in relentless

showing no signs of slackening or yielding in one's purpose

unrelenting in the pursuit of equality for all races

Synonyms & Similar Words

• relentless
• grim
• determined
• persistent
• implacable
• unflinching
• unyielding
• ruthless
• dogged
• unappeasable
• stubborn
• willful
• merciless
• hard
• tenacious
• obdurate
• uncooperative
• intractable
• mulish
• peevish
• unforgiving
• perverse
• persevering
• pertinacious
• opinionated
• headstrong
• hardheaded
• pigheaded
• self-willed

Antonyms & Near Antonyms

• softening
• yielding
• weak
• impotent
• slack
• slackening
• spineless
• invertebrate
• pliant
• complaisant
• pliable
• obliging

Example Sentences

Recent Examples of unrelenting

What followed was an awake brain surgery, 33 rounds of proton radiation, chemotherapy, medications, scans, bloodwork, and a new, unrelenting relationship with my body and mind. — Stefanie Benjamin, Travel + Leisure, 26 Sep. 2026

Over the course of three years, Kaczynski endured unrelenting ridicule of his intelligence, masculinity, and ideas, and along the way started journaling about revenge fantasies and dreams of escaping to nature. — Rachel Corbett, Vulture, 25 Sep. 2026

These are typically found the old-fashioned way, when someone starts to feel a little off or develops unrelenting pain. — Dr. Sanjay Gupta, CNN Money, 23 Sep. 2026

Boxer George Chuvalo was a gladiator of the ring, an unrelenting fighter with one of the toughest chins in the sport. — Harrison Smith, Washington Post, 19 Sep. 2026