Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
out-of-bounds is an adjective meaning "outside the foul lines". It carries 2 recorded senses.
outside the foul lines
Definitions, synonyms and semantic relations for out-of-bounds come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.