Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
insultingly is an adverb meaning "in a disrespectful and insulting manner". It carries 2 recorded senses.
in a disrespectful and insulting manner
“he behaves insultingly toward his parents”
in an unfair and insulting manner
“this internationally known writer was foully condemned by the Muslim fundamentalists”
Definitions, synonyms and semantic relations for insultingly come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.