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