WordReference Random House Learner's Dictionary of American English © 2026
child•proof or child-proof/ˈtʃaɪldˌpruf/USA pronunciation
adj.
v. [~ + object]
WordReference Random House Unabridged Dictionary of American English © 2026- incapable of being opened, tampered with, or operated by a child:medicine containers with childproof caps.
- made free of hazard for a child:a childproof home.
v. [~ + object]
- to make childproof:They spent weeks childproofing their home.
child•proof
(chīld′pro̅o̅f′),USA pronunciation adj.
v.t.
- resistant to being opened, tampered with, or operated by a child:a childproof medicine bottle.
- made free of hazard for a child:a childproof home.
- made safe from damage by children:a childproof living room free of breakable objects.
v.t.
- to make childproof:to childproof a home.
- child + -proof 1955–60
'childproof' also found in these entries (note: many are not synonyms or translations):