Word: thornproof
Part of speech: Adjective
Syllables: thorn
proof
Definition: Resistant to tearing by thorns.
Morphemes:
Affix: thorn
Language: en
PoS: Verb
Meaning: To pierce with, or as if with, a thorn
Affix: -proof
Language: en
PoS: Suffix
Meaning: Used to form adjectives denoting an impervious or impenetrable quality.