leakier; leakiest
Synonyms of leakynext
: permitting fluid to leak in or out
leakily adverb
leakiness noun

Examples of leaky in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That mostly comes from the concrete materials and often un-insulated space that causes leaky air. Ashlyn Needham, Southern Living, 22 Jan. 2026 These devices are set up in the front door frame and find air leaks that come from everything from the space around wall outlets and light fixtures to leaky ducts and dryer vents. Karl Schneider, IndyStar, 21 Jan. 2026 The Board of Education’s decision to seek legal counsel is occurring as health concerns are being raised by The Hartford Federation of Teachers and Hartford Federation of paraeducators at Moylan Elementary School, who cite a leaky roof and potential mold issues at the school. Livi Stanford, Hartford Courant, 18 Jan. 2026 The furnace must run constantly due to heat escape caused by leaky windows, gaps in doors, and a lack of attic barriers. Connie Etemadi, Freep.com, 17 Jan. 2026 See All Example Sentences for leaky

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of leaky was in the 15th century

Browse Nearby Words

Cite this Entry

“Leaky.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/leaky. Accessed 25 Jan. 2026.

Kids Definition

leaky

adjective
leakier; leakiest
: permitting fluid to leak in or out
a leaky boat
leakiness noun

Medical Definition

leaky

adjective
: relating to or being a mutant gene that changes the structure of the protein and especially an enzyme that it determines so that some but not all of its biological activity is lost
also : being such a protein with subnormal activity

More from Merriam-Webster on leaky

Last Updated: - Updated example sentences
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