Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
well-worn is an adjective meaning "showing signs of much wear or use". It carries 2 recorded senses.
showing signs of much wear or use
repeated too often; overfamiliar through overuse
“bromidic sermons”
“his remarks were trite and commonplace”
“hackneyed phrases”
“a stock answer”
“repeating threadbare jokes”
“parroting some timeworn axiom”
“the trite metaphor `hard as nails'”
Definitions, synonyms and semantic relations for well-worn come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.