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