Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
disregardless is an adverb meaning "in spite of everything; without regard to drawbacks". It carries one recorded sense.
in spite of everything; without regard to drawbacks
“he carried on regardless of the difficulties”
Definitions, synonyms and semantic relations for disregardless come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.