Find Antonyms

leaky Antonyms

Opposite of leaky

Because the opposite of leaky shifts with each meaning, the 13 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Having cracks, holes, or openings that allow liquid, gas, or light to escape or enter.

Usage Example

"The plumber arrived early in the morning to repair the watertight faucet in the kitchen."

Strongest
watertight
leakproof
airtight
waterproof
Strong
impermeable
sealed
impervious
hermetic
sound

• adjective (Context 2)

Failing to prevent confidential information, data, or resources from being disclosed or lost.

Usage Example

"The committee launched an internal audit after sensitive documents emerged from a secure department."

Strongest
secure
leakproof
airtight
Strong
tight-lipped
discreet
secretive

Similar words to leaky

Words similar to leaky shift depending on context. Common synonyms include:

dripping
loose-lipped
indiscreet
permeable
insecure
unsecure
porous
vulnerable
See all synonyms of leaky

• Nearby Words

leakage
leakless
leakproof
leaky
lean
leaning
leanly

Cite this Entry

Wordmom. (2026). Antonyms for Leaky. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/leaky
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