Definition of draughtproof in English:

draughtproof

adjective

  • Sealed so as to keep out draughts:

    ‘fit double glazing and make your doors draughtproof’

verb

[WITH OBJECT]
  • Make (a building, door, or window) draughtproof:

    ‘simple draughtproofing is relatively inexpensive’

Pronunciation:

draughtproof

/ˈdrɑːftpruːf/