Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
pusillanimously is an adverb meaning "with a lack of courage and determination". It carries one recorded sense.
with a lack of courage and determination
“simperingly, the accused begged for mercy”
Definitions, synonyms and semantic relations for pusillanimously come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.