Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “baby”

baby

noun [C] uk   /ˈbeɪ.bi/ us  
A1 a very young child, especially one that has not yet begun to walk or talk: a newborn baby a six-week-old baby a baby boy baby clothes baby food Sandra had a baby (= gave birth to it) on 29 May. Owen is the baby (= the youngest person) of the family.Children and babies A2 a very young animal: a baby elephant/monkeyAnimal young disapproving an adult or especially an older child who is crying or behaving like a child: It didn't hurt that much - don't be such a baby!Heroes and cowards mainly US a word you can use when you are talking to someone you love such as your wife, husband, partner, etc.: Oh baby, I love you.Affectionate terms of address baby carrot, sweetcorn, etc. a type of vegetable that is specially grown to stay smallSmallExtremely small informal Someone's baby is something that they have a special interest in and responsibility for: I don't know much about the project - it's Philip's baby.Duty, obligation and responsibility

baby

verb [T] uk   /ˈbeɪ.bi/ informal us  
to treat an older child as if he or she were a much younger child: The boys were now ten and twelve and didn't want their mother to baby them.Defending and protectingBacking, supporting and defendingPreserving and savingParenting and caring for children
(Definition of baby from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of baby?
Add Cambridge dictionaries to your browser to your website

Definitions of “baby” in other dictionaries

Word of the Day

blueprint

a photographic copy of an early plan for a building or machine

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More