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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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

After introducing the vaccine in 42 high-burden districts, Cameroonian authorities say coverage has improved among infants eligible for the first three doses given at six, seven and nine months. — ABC News, 14 July 2026 Also injured in the crash were another mother and her 7-month-old infant, as well as two 8-year-old girls and a 7-year-old girl, the BBC reported. — Adam England, PEOPLE, 14 July 2026

Adjective

The narrative pairs her with Sister Ying, a detective investigating a series of infant corpse cases where bodies are discovered sealed in luxury apartment walls. — Naman Ramachandran, Variety, 14 Feb. 2026 The recall was issued after the FDA identified 83 cases of infant botulism nationwide, with 13 of those having received ByHeart formula at some point. — Anna Skinner, MSNBC Newsweek, 30 Nov. 2025 See All Example Sentences for infant

Recent Examples of Synonyms for infant

Noun

The investigation is part of a broader crackdown on what’s known as birth tourism, the practice of traveling to another country, so a child is born there.

— Tiffani Jackson, Fort Worth Star-Telegram, 19 July 2026
Much has once again been made of that famous 2007 photoshoot in which Messi was pictured bathing a young child, which turned out to be Yamal.

— Ben Church, CNN Money, 19 July 2026

Definition of child

Adjective

As that cell divides, embryonic stem cells give rise to the trillions of specialized cells that form the body’s organs and tissues.

— Encyclopedia Britannica, Encyclopedia Britannica, 10 July 2026
One protein called periostin appeared strongly in the shark notochord (a structure that helps organize embryonic development).

— Melissa Cristina Márquez, Forbes.com, 18 June 2026

Definition of embryonic

Noun

Lots of acorns one year means lots of mice the next, which gives baby ticks a greater chance of biting a mouse and surviving long enough to bite us.

— Meg Tirrell, CNN Money, 14 July 2026
Families across Southeast Michigan now have access to a specialized ambulance designed specifically for babies and children in need of critical medical transport.

— Hannah McIlree, CBS News, 13 July 2026

Definition of baby

Adjective

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
The camp will let budding designers explore and take the world of fashion to the next level using AI tools.

— Hema Sivanandam, Mercury News, 15 June 2026

Definition of budding

Noun

But when a French physician tested the formula on four newborns, all of them died within days, and the episode sparked a fierce controversy.

— Greg Rosalsky, NPR, 14 July 2026
The discovery of the deceased newborn was one of two shocking incidents to come out of Electric Forest this year.

— Jon Blistein, Rolling Stone, 14 July 2026

Definition of newborn

Adjective

This is, Meghan O’Gieblyn argues in our June 25, 2026, issue, a distinctly parental anxiety, a primordial kind of maternal metaphor that appears over and over again in writing and interviews about AI development.

— Meghan O’Gieblyn, The New York Review of Books, 11 July 2026
Ancient quasars offer glimpses into the universe in its chaotic infancy; but actually finding these primordial objects can be very difficult.

— Adam Kovac, Scientific American, 7 July 2026

Definition of primordial

Adjective

President Trump’s germinal proposal to extend ObamaCare subsidies has created new headaches for GOP leaders on Capitol Hill.

— Mike Lillis, The Hill, 25 Nov. 2025
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 20 Jul. 2026.

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Synonyms of infant

noun

adjective

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