Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
contrastingly is an adverb meaning "in a contrasting manner". It carries one recorded sense.
in a contrasting manner
“contrastingly, both the rooms leading off it gave an immediate impression of being disgraced”
Definitions, synonyms and semantic relations for contrastingly come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.