01 a. Permitting water or other fluid to leak in or out; as, a leaky roof or cask; a leaky faucet.
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1.
Permitting water or other fluid to leak in or out; as, a leaky roof or cask; a leaky faucet.
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2.
Apt to disclose secrets; tattling; not close.[Colloq.]
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3.
Retaining some function; not completely inactivating the gene; as, substitution mutations are sometimes leaky; -- of mutations.(Genetics)