Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
overweening is an adjective meaning "unrestrained, especially with regard to feelings". It carries 2 recorded senses.
unrestrained, especially with regard to feelings
“extravagant praise”
“exuberant compliments”
“overweening ambition”
“overweening greed”
Definitions, synonyms and semantic relations for overweening come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.