Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
third-rate is an adjective meaning "of lesser quality than second-rate". It carries one recorded sense.
of lesser quality than second-rate
Definitions, synonyms and semantic relations for third-rate come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.