child

A child is a human being under the age of 18. That’s the legal definition; however, you can use this word for other people and things. 

  • Ronnie is a four-year-old child. 
  • Our neighbors have one child in their household. 
  • The children like to play in the park. (The word “children” is the plural form for “child.”) 
  • Jennifer is 41 years old, but sometimes she acts like a child. 
  • This computer program is the brainchild of a famous artist. (brainchild = an ingenius new idea or product) 
  • He’s a very childish person. (childish = an adjective for a person who acts in a manner that is similar to that of a child.)  
A child's bedroom with a bed, desk, and chair

This is a child’s bedroom. 

a. child = young person

A child is a very young person, male or female, who needs supervision and care. Once a child enters the teenage years, the word “child” is less often applied; however, by law in most places, a child is anyone under the age of 18. 

  • Whose child is that? 
  • What a good child she is! 
  • Do remember your life as a child? 
  • Did you have a good childhood? (childhood = the time of being a child) 
  • Elementary school teachers work with children. (children = plural for “child.”) 
  • Walter and Rosalie hope to have a child after they get married. 
  • He’s acting like a child. (This is said when an adult behaves in an immature manner.) 
  • This exercise is child’s play. (This is an expression for an activity that is very easy.)  

a. child = young person

baby in white and blue crew neck shirt
  • He’s only a child. (Use “only” to emphasize the young age of a child.) 
  • He can’t take care of himself yet. He’s only a child. 
 
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  • He’s no longer a child, but sometimes he acts like one.  
  • His behavior is childish. (like that of a child) 
 

b. child / children

The word “children” is an irregular noun form for “child.”  The only time an “s” is used with “children” is for the possessive form. 

  • Children go to this playground to play. 
  • It’s a children’s playground. (Note: the apostrophe goes before the “s” despite the plural form.) 
  • When children reach the age of four or five, they begin school. 
  • There are many children in this neighborhood under the age of ten. 
  • Would you like to have children in the future? 
  • It’s a big responsibility to have children. 
  • For those who are fortunate enough, the best time of their lives was when they were children. 

b. child / children

four boy playing ball on green grass
  • Children like to have fun. 
children
  • Many children around the world are refugees who need help and protection. 

c. compound nouns

There are many compound nouns that include the word “child.” 

  • A person who takes care of children under the age of five is a child care worker. 
  • People who work in child care need a lot of support. 
  • Child development is an interesting field of study. 
  • When I was in college, I took a course in children’s literature.  
  • The problem of child abuse occurs in homes where another person mistreats a child. 
  • Child abuse is a domestic problem. 
  • A parent who relieves himself or herself of the responsibility of raising a child might have to pay child support. 
  • Yusuf’s father pays child support to his mother now that his parents are divorced. 

c. compound nouns

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  • People who study child development understand the importance of providing new learning experiences to children. 
baby
  • People who work in the area of child care have to know how to take care of a baby.