I. ˈlēkē, -ki adjective
( -er/-est )
Etymology: leak (II) + -y
1.
a. : permitting water or other fluid (as blood) to leak in or out
a leaky roof
a leaky heart valve
b. : exuding large drops of water — used of butter
2. archaic : given to blabbing : not closemouthed
II. 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