Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
worn-out is an adjective meaning "used until no longer useful". It carries 2 recorded senses.
drained of energy or effectiveness; extremely tired; completely exhausted
“the day's shopping left her exhausted”
“he went to bed dog-tired”
“was fagged and sweaty”
“the trembling of his played out limbs”
“felt completely washed-out”
“only worn-out horses and cattle”
“you look worn out”
Definitions, synonyms and semantic relations for worn-out come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.