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