INFANT Synonyms: 78 Similar and Opposite Words

infant 1 of 2

noun

ˈin-fənt

Definition of infant

as in child

a recently born person infants should be kept warm at all times

Synonyms & Similar Words

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Antonyms & Near Antonyms

infant

2 of 2

adjective

as in embryonic

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Dissimilar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of infant

Noun

If needed, check with your pediatrician’s office about availability of the RSV antibody for your infant. — Adejare Atanda, Baltimore Sun, 13 Oct. 2026 Medical examiner found severe dehydration, malnourishment The medical examiner's office determined the infant died from complications of severe dehydration and malnourishment. — Bryan Lynn, CBS News, 12 Oct. 2026

Adjective

Thorsen helped lead research for the CDC studying infant disabilities, according to prosecutors. — Sasha Pezenik, ABC News, 8 May 2026 The lawsuit further alleged that the chain sold expired infant formula and baby food products, prosecutors said. — Caelyn Pender, Mercury News, 27 Mar. 2026 See All Example Sentences for infant

Recent Examples of Synonyms for infant

Noun

Health experts are also pushing the government to expand the program to vaccinate children over five.

— Arkansas Online, Arkansas Online, 18 Oct. 2026
The driver was still in the truck, as were two children, Moses said.

— Dennis Romero, NBC news, 18 Oct. 2026

Definition of child

Adjective

In the past several years, researchers have mapped out the real topography of cell-state spaces — in effect, Waddington’s landscapes — from experimental data collected from many thousands of cells over the course of embryonic development.

— Quanta Magazine, Quanta Magazine, 9 Oct. 2026
By zooming in on the earliest stages of embryonic development in mice models, the researchers found that the hindbrain follows a separate, but parallel, developmental path than the forebrain.

— Victor Tangermann, Futurism, 24 Sep. 2026

Definition of embryonic

Noun

The baby was found in the rubble and hospitalized at Bagram Air Base near Kabul, where military lawyer Joshua Mast decided with his wife to adopt her.

— Arkansas Online, Arkansas Online, 20 Oct. 2026
One woman, her baby and young daughter in tow, struggled to find the right courtroom.

— Kevin Rector, Los Angeles Times, 20 Oct. 2026

Definition of baby

Adjective

Within weeks of the CEO change, however, the budding bromance was officially dead.

— Amanda Gerut, Fortune, 19 Sep. 2026
Following the characters’ daily lives as tweens, the series shows us a much more vulnerable Angelica (Cheryl Chase), and a not-so-bald Tommy’s (Elizabeth Daily) imagination evolving into a budding filmmaking career.

— Skyler Trepel, Entertainment Weekly, 20 June 2026

Definition of budding

Noun

The alert included detailed clinical guidance for managing measles exposures and cases during pregnancy as well as cases in newborns.

— Beth Mole, ArsTechnica, 19 Oct. 2026
This is the most competitive time of year for New England’s hobbyists, who describe their giant pumpkins almost like parents describe a newborn.

— Cameron Pugh, Christian Science Monitor, 16 Oct. 2026

Definition of newborn

Adjective

For the dodo, the researchers will first harvest primordial germ cells (PGCs)—nascent cells that give rise to eggs and sperm—from the nicobar pigeon, the dodo’s closest living relative.

— Jeffrey Kluger, Time, 14 Oct. 2026
This would have been a primordial black hole (PBH), a hypothesized object formed in the universe’s earliest moments.

— Jonathan O'Callaghan, Scientific American, 2 Oct. 2026

Definition of primordial

Noun

The prosecutor argued the beatings basically never stopped, claiming footage showed nannies beating one child, then turning their violence toward any of the other toddlers who wept while watching.

— James Queally, Los Angeles Times, 17 Oct. 2026
The toddler finding marks the third time in 18 months that a different research community reached the same conclusion.

— Charles Yeomans, Forbes.com, 16 Oct. 2026

Definition of toddler

Adjective

Over nearly two centuries in trade, the company has dealt in germinal francs, Poincaré francs, de Gaulle francs, and euros, always remaining family-owned.

— Lauren Collins, New Yorker, 7 Sep. 2026
Vaccines combining slow release and follicle targeting of antigens increase germinal center B cell diversity and clonal expansion.

— Ian Randall, MSNBC Newsweek, 19 June 2025

Definition of germinal

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infancy

infant

infantile

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“Infant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infant. Accessed 21 Oct. 2026.

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Synonyms of infant

noun

adjective

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