Word: draughtproof
Part of speech: Adjective
Syllables: draught
proof
Definition: That prevents the access of draughts; a current of air (usually coming into a chimney or room or vehicle)
Morphemes:
Affix: draw
Language: en
PoS: Verb
Meaning: To have a draught; to transmit smoke, gases, etc.
Affix: -t
Language: en
Meaning: th
Affix: -proof
Language: en
PoS: Suffix
Meaning: Used to form adjectives denoting an impervious or impenetrable quality.