Word: frostproof
Part of speech: Verb
Syllables: frost
proof
Definition: To make resistant to frost.
Morphemes:
Affix: frost
Language: en
PoS: Verb
Meaning: To cover with frost.
Affix: -proof
Language: en
PoS: Suffix
Meaning: Used to form adjectives denoting an impervious or impenetrable quality.