Word: hailproof
Part of speech: Adjective
Syllables: hail
proof
Definition: Resistant to hail (form of frozen precipitation).
Morphemes:
Affix: hail
Language: en
PoS: Verb
Meaning: Of hail, to fall from the sky.
Affix: -proof
Language: en
PoS: Suffix
Meaning: Used to form adjectives denoting an impervious or impenetrable quality.