Synonyms of insistent

insistent

adjective

in-ˈsi-stənt 

as in persistent

continuing despite difficulties, opposition, or discouragement

Margaret Sanger is remembered as an insistent crusader for birth control

Synonyms & Similar Words

• persistent
• resolute
• stubborn
• steadfast
• relentless
• tenacious
• determined
• dogged
• adamant
• patient
• constant
• pertinacious
• steady
• dedicated
• loyal
• true
• staunch
• persevering
• willful
• positive
• implacable
• faithful
• resistant
• unyielding
• obstinate
• obdurate
• intent
• firm
• resolved
• certain
• sure
• hard
• hardened
• assured
• hardheaded
• mulish
• peevish
• headstrong
• devoted
• single-minded
• unhesitating
• perverse
• good
• opinionated
• unfaltering
• unrelenting
• pigheaded
• unwavering
• wayward
• bullheaded
• hell-bent
• wrongheaded
• unbending
• unregenerate
• stern
• unflinching
• indomitable
• inflexible
• self-willed
• unconquerable
• stiff-necked
• indurate

Antonyms & Near Antonyms

• yielding
• surrendering
• hesitant
• quitting
• irresolute
• faltering
• false
• wavering
• treacherous
• fickle
• disloyal
• faithless
• perfidious
• inconstant
• hesitating
• traitorous
• vacillating

Example Sentences

Recent Examples of insistent

But by the time Isla was 15 months, Jacalyn had grown more insistent. — Brad Quick, CNBC, 18 Aug. 2026

As Cusk has become more disdainful of fiction and more insistent on the documentary function of art, her work has become vaguer and less concrete, fading like old ink into blurred indeterminacy. — Becca Rothfeld, New Yorker, 16 Aug. 2026

James Madison was insistent that Congress was the most important and powerful branch, especially the House, which was closest to the people and, being elected every two years, would infuse new blood and new ideas into Congress in perpetuity. — Sun Sentinel Editorial Board, Sun Sentinel, 11 July 2026

Frightening and insistent, impossible yet certain, a feeling more powerful than knowledge. — Emily Ruskovich, The Atlantic, 7 July 2026