- dirty, unprepossessing, sordid, or clandestine: back-alley morals; back-alley political schemes.
Origin of back-alley
An Americanism dating back to 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Related Words for back alleyroadway, lane, boulevard, court, thoroughfare, track, route, trail, pavement, place, road, avenue, highway, drive, passage, drag, terrace, way, turf, artery
see under back street.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.