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