Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
run-resistant is an adjective meaning "(of hosiery) resistant to runs or (in Britain) ladders". It carries one recorded sense.
(of hosiery) resistant to runs or (in Britain) ladders
Definitions, synonyms and semantic relations for run-resistant come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.