Detour – English Flashcard for Detour for IELTS Updated: February 3, 2021 by Dr. Mohammad Hossein Hariri AslDetour Detour (noun & verb) /ˈdiː.tɔːʳ/ US /-tʊr/noun: an indirect route or path to a place – deviation – diversion – bypass:We took a detour to avoid the heavy rush hour traffic.