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Definition of leakproof

leakproof

/ˈliːk.pruːf/
leak · proof
Past Simple:leakproofed
•
Past Participle:leakproofed
•
Present Participle:leakproofing
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leakproof Lexical Profile

leakproof Game Scores & Validity

• adjective

1

Designed or sealed to prevent liquid, gas, or confidential information from escaping or entering.

Example

"She packed her soup in a leakproof container so it would not spill inside her backpack."

Synonyms
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Antonyms
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• verb

1

To make a container, pipe, or structure resistant or impervious to leaks.

Example

"The plumber used silicone sealant to leakproof the joints around the kitchen sink."

Synonyms
View all synonyms for leakproof

• Rhymes for leakproof

• Nearby Words

leakage
leaker
leakless
leakproof
leaky
lean
leaning

Cite this Entry

Wordmom. (2026). Definition of Leakproof. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/leakproof
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