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