Adjective: drafty (draftier,draftiest)
draf-teeUsage: N. Amer (elsewhere: draughty)- Not airtight, having moving (esp. cold) air from outside
"Their room was drafty";
- draughty [Brit, Cdn]
Derived forms: draftiest, draftier
See also: leaky
Encyclopedia: Drafty, Isn't It?