Child

biographical name

Synonyms of Childnext
Julia (Carolyn) 1912–2004 née McWilliams American chef

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Is the word kid slang?

Some people worry that kid, when used of a child rather than a juvenile goat, is either slang or too colloquial to merit acceptance in standard English.

The fact is that we have been using kid to refer to a child that is human, rather than goatish, for more than three hundred years now. The Oxford English Dictionary notes that although this word was considered “low slang” when it first began being used, it had entered “familiar speech” by the 19th century.

In contemporary English, kid is neither slang nor improper. It is, however, most definitely informal, so those writing professionally or in a formal register might prefer to use child.

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Cite this Entry

“Child.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Child. Accessed 11 Jun. 2026.

Kids Definition

child

noun
plural children ˈchil-drən How to pronounce child (audio)
-dərn
1
: an unborn or recently born person
2
a
: a young person especially between infancy and youth
b
: a childlike or childish person
3
: a son or daughter of human parents
childless adjective

Medical Definition

child

noun
plural children ˈchil-drən, -dərn How to pronounce child (audio)
1
: an unborn or recently born person
2
: a young person especially between infancy and youth

Legal Definition

child

noun
plural children
1
: a son or daughter of any age and usually including one formally adopted compare issue

Note: The word child as used in a statute or will is often held to include a stepchild, an illegitimate child, a person for whom one stands in loco parentis, or sometimes a more remote descendant, such as a grandchild. In interpreting the word child as used in a will, the court will try to effectuate the intent of the person who made the will as it can be determined from the language of the will.

2
: a person below an age specified by law : infant, minor
assault on a child under 16 years of age
compare adult

Note: A person who is below the statutory age but is married will usually be considered an adult.

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