child·​proof | \ ˈchīl(d)-ˌprüf \

Definition of childproof

 (Entry 1 of 2)

1 : designed to prevent tampering or opening by children childproof pill bottles
2 : made safe for children (as by safe storage of dangerous materials) a childproof home


childproofed; childproofing; childproofs

Definition of childproof (Entry 2 of 2)

transitive verb

: to make childproof childproof a house

Examples of childproof in a Sentence


The article has tips on how to childproof a home.

Recent Examples on the Web: Verb

Homes must be childproofed, and all residents must pass background checks, for instance. Carolyn Said,, "Want to start a preschool at home? Wonderschool can help," 18 June 2018 But just to be safe, get a hamper that doesn't have big holes in it, and childproof your dresser drawers. Cathy M. Rosenthal,, "What To Do When A Cat Licks And Chews Clothing," 15 Feb. 2018 Despite the importance placed on childproofing areas such as the kitchen, the same thought is rarely applied to medications. Dana Lee, Indianapolis Star, "'What if's' will never end for Indy mom whose son died of opioid overdose," 22 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'childproof.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of childproof


1889, in the meaning defined at sense 1


1941, in the meaning defined above

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Time Traveler for childproof

The first known use of childproof was in 1889

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English Language Learners Definition of childproof

 (Entry 1 of 2)

: made so that a child cannot open it
: made safe for children



English Language Learners Definition of childproof (Entry 2 of 2)

: to make (a place) safe for children


child·​proof | \ ˈchīld-ˌprüf \

Kids Definition of childproof

1 : made to prevent opening by children a childproof bottle
2 : made safe for children a childproof house

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More from Merriam-Webster on childproof

Rhyming Dictionary: Words that rhyme with childproof

Spanish Central: Translation of childproof

Nglish: Translation of childproof for Spanish Speakers

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