'drafty' definitions:

Definition of 'drafty'

From: WordNet
adjective
Not airtight [syn: drafty, draughty]

Definition of 'drafty'

From: GCIDE
  • drafty \draft"y\ adj. not airtight; allowing in currents of air, especially uncomfortably cold air; -- of buildings.
  • Syn: draughty. [WordNet 1.5]