Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
earsplitting is an adjective meaning "loud enough to cause (temporary) hearing loss". It carries one recorded sense.
loud enough to cause (temporary) hearing loss
Definitions, synonyms and semantic relations for earsplitting come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.