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