detour /ˈdi.toɹ/noun 2verb 2forms 3 noun2 •A diversion or deviation from one's original route.On the third day I made a detour westward to avoid the country of the Band-lu, as I did not care to be detained by a meeting with To-jo. — 1918 •A temporary alternative route available to motorists away from the usual route due to a closure for repairs, dealing with an accident, or some event rendering the usual route unusable. verb2 •To make a detour.Petrelis detoured away from southern activities to visit Chicago and help draw attention to lesbian, gay and AIDS issues during the Illinois primary March 16. — 1988 •To direct or send on a detour. formsdetoured · detouring · detours