Word: nailproof
Part of speech: Adjective
Syllables: nail
proof
Definition: Resistant to being punctured or damaged by nails.
Morphemes:
Affix: nail
Language: en
PoS: Verb
Meaning: To drive a nail.
Affix: -proof
Language: en
PoS: Suffix
Meaning: Used to form adjectives denoting an impervious or impenetrable quality.