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

This sterilization step helps eliminate spores of microorganisms, including Clostridium spores that can cause infant botulism, Abbott said in a press release. — Dr. Jade Cobern, ABC News, 31 Aug. 2026 New parents are also increasingly declining a Vitamin K injection for their infants. — Ruby Cramer, New Yorker, 31 Aug. 2026

Adjective

The lawsuit further alleged that the chain sold expired infant formula and baby food products, prosecutors said. — Caelyn Pender, Mercury News, 27 Mar. 2026 For decades, research into RSV had been stymied by past failures, leaving no way to prevent the thousands of infant respiratory deaths that occur worldwide every year. — Richard Hughes Iv, STAT, 18 Feb. 2026 See All Example Sentences for infant

Recent Examples of Synonyms for infant

Noun

In total, the support is equal to almost 70,000 Singapore dollars ($55,000) by the time a child is 17.

— Angelica Ang, Fortune, 30 Aug. 2026
Meta, the parent company of Facebook and Instagram, settled a lawsuit over the harms of social media to children brought by California and other states.

— Sonja Sharp, Los Angeles Times, 29 Aug. 2026

Definition of child

Adjective

This is a consequence of his not having developed beyond the embryonic stage, socially.

— Kate Erbland, IndieWire, 17 Aug. 2026
Using technology that offers a systemwide view of the aging process in mice, Cao has outlined discrete stages of aging, akin to those of embryonic development, that are defined by changes in molecular signals and specific cell populations.

— Ingrid Wickelgren, Quanta Magazine, 14 Aug. 2026

Definition of embryonic

Noun

From Hall of Fame quarterbacks to groundbreaking women, these are the best baby names for football fans.

— Beth Ann Mayer, Parents, 1 Sep. 2026
Her conversation with John also divulges the depths of his entwinement with current ring-bearer Hal Jordan, via a flashback to when John was a baby, in the all-important year of 1986.

— Siddhant Adlakha, Vulture, 31 Aug. 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

The newborn’s mother was severely ill from measles at the time of birth, according to reporting from The Atlantic, which spoke with the baby’s parents amid the uproar.

— Beth Mole, ArsTechnica, 1 Sep. 2026
At Burdett, only about a quarter of newborns are delivered by C-section, compared with about a third statewide, according to 2025 hospital data.

— Noam Levey, NPR, 1 Sep. 2026

Definition of newborn

Adjective

Dark stars are hypothetical primordial stars that, rather than producing energy through nuclear fusion, are instead powered by self-annihilating dark matter within their cores.

— Robert Lea, Space.com, 21 Aug. 2026
Their results recently published in the journal Physical Review Letters signal a major breakthrough in quantum physics—one that indicates a primordial quark-gluon plasma soup is actually possible with lighter ingredients.

— Andrew Paul, Popular Science, 20 Aug. 2026

Definition of primordial

Noun

In the distance, a toddler in a matching Nike outfit literally leaped into the arms of a crying woman, perhaps a grandmother, squeezing tightly for a hug.

— Sam McDowell, Kansas City Star, 30 Aug. 2026
The boy and his grandmother’s identities have not been shared publicly at this time, but it was disclosed that the toddler would have turned 2 next week.

— Latoya Gayle, PEOPLE, 29 Aug. 2026

Definition of toddler

Browse Nearby Words

infancy

infant

infantile

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“Infant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infant. Accessed 5 Sep. 2026.

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Synonyms of infant

noun

adjective

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