tortuous

From Middle English tortuous, tortuose, from Anglo-Norman and Old French tortuos, from Latin tortuōsus, from tortus (“a twisting, winding”).

• (Received Pronunciation) IPA^(key): /ˈtɔːt͡ʃuːəs/

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• (General American) IPA^(key): /ˈtɔɹt͡ʃuəs/

tortuous (comparative more tortuous, superlative most tortuous)

1. (often figurative) Twisted; having many turns; convoluted.
   • 1848, Thomas Babington Macaulay, The History of England from the Accession of James the Second, volume 1, Porter & Coates, page 243:

     The badger made his dark and tortuous hole on the side of every hill where the copsewood grew thick.

   • 1959 February, G. Freeman Allen, “Southampton—Gateway to the Ocean”, in Trains Illustrated, page 91:

     The Southern acquired them because the little Class "B4" 0-4-0 tanks were finding heavy modern rolling stock more and more of a handful, and at war's end the railway had nothing of suitable power but short wheelbase on its books to take their place on the more tortuous of the dock lines.

   • 2007 October 6, “Slogging on the Home Front”, editorial in The New York Times,

     It still takes almost half a year for the average veteran’s claim for disability benefits to be decided in a tortuous process that can involve four separate hearings.

   • 2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, →ISBN, page 109:

     But the early Tubes still tended to follow the public streets in order to save money, hence some tortuous curves.

2. (astrology) Oblique; applied to the six signs of the zodiac (from Capricorn to Gemini) that ascend most rapidly and obliquely.
   • 1872, Walter William Skeat, Chaucer's A Treatise on the Astrolabe:

     Infortunate ascendent tortuous.

3. (obsolete) Injurious; tortious.

• This term has strongly negative connotations, perhaps transferred from the similar-sounding adjective torturous.
• Not to be confused with the legal term tortious, nor with torturous.