Word: runproof
Part of speech: Adjective
Syllables: run
proof
Definition: Not susceptible to runs.
Morphemes:
Affix: run
Language: en
PoS: Verb
Meaning: To achieve or perform by running or as if by running.
Affix: -proof
Language: en
PoS: Suffix
Meaning: Used to form adjectives denoting an impervious or impenetrable quality.