Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
profitlessly is an adverb meaning "without gain or profit". It carries one recorded sense.
without gain or profit
Definitions, synonyms and semantic relations for profitlessly come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.