leaky (
http://definr.com/leaky)
adj 1: permitting leaks or leakage; "a leaky roof"; "a leaky
defense system" [ant:
tight]
2: (of ships and boats) permitting leakage [syn:
leaking]
3: permitting liquids to penetrate; "a tarpaulin too leaky to
be of much use"
4: used informally; unable to retain urine
5: prone to communicate confidential information [syn:
blabbermouthed,
talebearing(a),
tattling(a)]