INFANTINE Synonyms: 47 Similar and Opposite Words

infantine

adjective

Definition of infantine

as in infantile

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Recent Examples of Synonyms for infantine

Adjective

Surely the infantile nature of it seems designed to appeal to one figure and one figure alone, which leads to an ambiguity left open during Rubio’s presentation.

— Adam Gopnik, New Yorker, 13 Oct. 2026
At 8 months, the child was also diagnosed with infantile epileptic spasms syndrome, a severe form of epilepsy.

— Inaya Folarin Iman, CBS News, 29 Sep. 2026

Definition of infantile

Adjective

Yet my first response was a childish pride that Dad had been deemed important enough to attract Hoover’s attention.

— Literary Hub, Literary Hub, 26 Oct. 2026
There has always been a childish aspect to him — in a good way — and his curiosity hasn’t dimmed even as his age has advanced.

— Samantha Conti, Footwear News, 23 Oct. 2026

Definition of childish

Adjective

Suzanne O’Donnell, an accomplished regional theater actor with a lot of Shakespeare on her resume, plays Penrose as both a warm mothering figure to these two occasionally babyish men but does not downplay the character’s pragmatic side.

— Christopher Arnott, Hartford Courant, 21 Apr. 2026
Paige is little more than a dumb blonde stereotype, another underwritten female character in Sheridan’s growing oeuvre, but Chapman laces her babyish whining with surprising bite, while showing a knack for physical comedy.

— Ben Travers, IndieWire, 13 Mar. 2026

Definition of babyish

Adjective

It was used in the 1820 Missouri Compromise to establish the limits of human bondage in the still adolescent United States and became synonymous with the fundamental divisions that exploded into the Civil War four decades later.

— ABC News, ABC News, 29 Oct. 2026
Ile began her career as an adolescent, singing backup vocals for Calle 13, the band started by her brothers, Residente and Visitante (René Pérez Joglar and Eduardo Cabra Martínez).

— Helena Alonso Paisley, Miami Herald, 28 Oct. 2026

Definition of adolescent

Adjective

The character introduced as youthful comic relief became an enduring piece of the series’ optimistic picture of the future.

— Daniel Ross Goodman, The Washington Examiner, 30 Oct. 2026
Stewart, who died Wednesday at 86, was 82 then, friendly and dapper and emanating a youthful sense of wonder and readiness.

— Television Critic, Los Angeles Times, 30 Oct. 2026

Definition of youthful

Adjective

The waiver, which ACS received in 2023, allowed the agency to place multiple juvenile detainees to sleep in hallways, classrooms and chapels, potentially restricting access to educational and other programming.

— Cayla Bamberger, New York Daily News, 1 Nov. 2026
Directed by Claudia Estrada Tarascó, the film follows girls in a juvenile justice facility who bond over music and dreams of a Barcelona trap competition.

— Emiliano de Pablos, Variety, 1 Nov. 2026

Definition of juvenile

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infantilized

infantine

infantry

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“Infantine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infantine. Accessed 5 Nov. 2026.

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Synonyms of infantine

adjective

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