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baby

American  
[bey-bee] / ˈbeɪ bi /

noun

  • babies
    plural
  1. an infant or very young child.

  2. a newborn or very young animal.

  3. the youngest member of a family, group, etc..

    I was the baby of the family for ten years, until my twin brothers were born.

  4. an adult who behaves like a child; an immature, helpless, or fearful person.

    Just swallow the medicine—don't be such a baby!

  5. a human fetus.

    The baby hasn’t arrived yet, but the nursery is ready.

  6. Informal.

    1. Sometimes Disparaging and Offensive. a girl or woman, especially an attractive one.

    2. a person of whom one is deeply fond; sweetheart.

    3. (sometimes initial capital letter) an affectionate or familiar address (sometimes offensive when used to strangers, casual acquaintances, subordinates, etc., especially by a male to a female).

    4. a man or boy; fellow.

      He's a tough baby to have to deal with.

    5. an invention, creation, project, or the like that requires one's special attention or expertise or of which one is especially proud.

      His charitable foundation is his baby and it truly shows.

    6. an object; thing.

      Those big babies can carry a lot of cargo.


adjective

  1. of or suitable for a baby.

    baby clothes.

  2. of or like a baby; infantile.

    baby skin.

  3. treating babies.

    a baby doctor.

    Synonyms:
    coddle, humor, spoil, indulge
  4. small; comparatively little.

    baby eggplants.

verb (used with object)

  • babies,
    present (3rd person singular)
  • babied,
    past participle,  past
  • babying
    present participle
  1. to treat like a young child; pamper.

    She still babies her son although he's nearly 24.

  2. to handle or use with special care; treat gently.

baby British  
/ ˈbeɪbɪ /

noun

    1. a newborn or recently born child; infant

    2. ( as modifier )

      baby food

  1. an unborn child; fetus

  2. the youngest or smallest of a family or group

    1. a newborn or recently born animal

    2. ( as modifier )

      baby rabbits

  3. derogatory an immature person

  4. slang a young woman or sweetheart: often used as a term of address expressing affection

  5. a project of personal concern

  6. to be left with the responsibility

  7. to lose the essential element by indiscriminate rejection

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. (prenominal) comparatively small of its type

    a baby car

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to treat with love and attention

  2. to treat (someone) like a baby; pamper or overprotect

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
baby Idioms  

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of baby

First recorded in 1350–1400; Middle English; see origin at babe, -y 2

Explanation

A baby is the one wearing diapers and a pacifier in her mouth. That baby is so darn lovable, however, that the word is perhaps overused to describe anyone or anything you feel passionately about. Everybody loves the baby, so much so that you might call your girlfriend 'baby' even though she's 23. If you work in construction, you might call any woman with nice legs baby as she walks past. You also might snidely call your little brother baby when he cries about getting a ball thrown in his face. When your mother has to take him to the ER for stitches after said wounding, you might defensively say "She's just babying him, he's fine."

Keep Reading on Vocabulary.com

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

CEO Michael Fiddelke, who took the helm in February, credited new product mixes and store updates in baby, toy and health departments, though he warned results might not remain so punchy in the new quarter.

From The Wall Street Journal Aug. 17, 2026

"I've heard of people feeling the need to steal baby milk," she said.

From BBC Aug. 16, 2026

He got his first name from the woman who delivered him as a baby while his mother was in labor.

From Los Angeles Times Aug. 16, 2026

Moorside Baby Bank opened in February 2025 and has so far helped 226 families with goods like clothes, nappies and baby wipes, which were mainly donated by the community.

From BBC Aug. 16, 2026

The baby grouse—and there isn’t anything cuter than a grouse chick—bonded with Hawk and thought she was their mother.

From "Woodsong" by Gary Paulsen

Infant formula is designed to provide the correct balance of nutrients for babies when mothers cannot or choose not to breastfeed, and adding extra water alters that balance.

From BBC Aug. 16, 2026

More than 120,000 babies around the world acquire HIV each year.

From Science Daily Aug. 13, 2026

Economic pressures and changing social norms are driving couples in Tunisia, Morocco, and Algeria to have fewer babies, with a recent study saying Maghreb fertility was at a historic low.

From Barron's Aug. 13, 2026

In December 2025, Lara Trump said on Fox News, “We’re going to be in a pickle if we don’t get more babies coming.”

From Salon Aug. 12, 2026

“You are so wonderfully strong, Mrs. Penworthy! I expect it’s from so many years of carrying babies around.”

From "The Long-Lost Home" by Maryrose Wood

“You got babied, that’s why you ain’t win,” O’Neal told Barkley.

From Los Angeles Times Jul. 24, 2024

But perhaps most memorable, especially for anyone who has ever babied, basted and otherwise fussed over a 14-pound bird, is the season four episode “Turkey in a Can.”

From Salon Nov. 11, 2023

It also doesn’t include fellow all-star Tony Gonsolin because the Los Angeles Dodgers have so babied his development that he doesn’t have a 20-start season yet.

From Washington Post Jul. 13, 2022

In bitter January temperatures, that range fell closer to 225 miles, no matter how I babied the throttle or dialed back on cabin temps.

From New York Times Apr. 7, 2022

She babied him, ignored him, teased him—did anything she felt like, and he was grateful just to see her do anything or be any way.

From "Song of Solomon" by Toni Morrison

O’Neal objected quickly and loudly, telling Barkley to “stop babying these players.”

From Los Angeles Times Jul. 24, 2024

“Committing to throwing it, not really babying it. Not trying to shape it, just throwing it, and trusting how its going to come out.”

From Washington Times Jun. 17, 2023

Choosing climate-adapted plants also means you’ll save on your water bill, as well as time spent babying or replacing plants.

From Seattle Times Apr. 29, 2022

But breaking the habit of babying your puppy will prep it for being touched by other people in different situations.

From Fox News Mar. 23, 2022

“Oh, stop babying him. He's nearly an adult.”

From "Tradition" by Brendan Kiely

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