Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
tortuously is an adverb meaning "with twists and turns". It carries 2 recorded senses.
with twists and turns
in a tortuous manner
“tortuously haggling over the price”
Definitions, synonyms and semantic relations for tortuously come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.