Main entry: leaky
Definition: permitting the unwanted passage of fluids or gases
Usage: a leaky roof; a leaky defense system
Antonyms: tight
Definition: of such close construction as to be impermeable
Antonyms: nonporous
Definition: not porous; especially not having vessels that appear as pores
Main entry: blabbermouthed, talebearing, tattling, leaky
Definition: prone to communicate confidential information
Antonyms: uncommunicative, incommunicative
Definition: not inclined to talk or give information or express opinions
Main entry: leaky
Definition: used informally; unable to retain urine
Antonyms: continent
Definition: having control over urination and defecation