tortuous UK /ˈtɔːt͡ʃuːəs/US /ˈtɔɹt͡ʃuəs/ adjective3 •Twisted; having many turns; convoluted.The badger made his dark and tortuous hole on the side of every hill where the copsewood grew thick. — 1848 •Oblique; applied to the six signs of the zodiac (from Capricorn to Gemini) that ascend most rapidly and obliquely.Infortunate ascendent tortuous. — 1872 •(no longer used) Injurious; tortious. formsmore tortuous · most tortuous