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

Miami’s infantile offense can’t afford to carry this team.

— Omar Kelly, Miami Herald, 12 June 2026
That now seemed an infantile idea.

— Chang-rae Lee, New Yorker, 3 May 2026

Definition of infantile

Adjective

Of course, this is no tragedy — there comes a time to put away childish things, 40-something video-gamers notwithstanding — but the movie comes close to regarding it as such.

— Peter Tonguette, The Washington Examiner, 27 June 2026
This one has a charming clover shape to make your space feel animated, but not childish.

— Julia Harrison, Architectural Digest, 12 June 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

Additionally, occasional rule-breaking and defiance are considered a normal part of child and adolescent development.

— Elizabeth Dowdell, The Conversation, 6 July 2026
Ultimately, this visible lump is a permanent record of a hormonal change, primarily designed to be heard, reflecting the body's adolescent effort to project a larger presence.

— Scott Travers, Forbes.com, 5 July 2026

Definition of adolescent

Adjective

With its stylish squid kids blasting each other while dressed in the freshest urban styles, the Splatoon franchise is Nintendo’s most modern and youthful series.

— Jordan Minor, PC Magazine, 30 June 2026
That’s where Monday found the Nets, between youthful belief and organizational patience.

— C.J. Holmes, New York Daily News, 29 June 2026

Definition of youthful

Adjective

The pipe burst released about 130 million gallons of water, trapped several workers, killed hundreds of juvenile Chinook salmon and damaged the New Colgate Powerhouse.

— Daniel Lempres, Sacbee.com, 3 July 2026
One of the e-bike riders, a juvenile boy, was taken to the hospital with life-threatening injuries and died shortly thereafter, the release said.

— Rose Evans, Idaho Statesman, 3 July 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 8 Jul. 2026.

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Synonyms of infantine

adjective

Example Sentences

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