Of, relating to, or being merchandise, especially clothing, made in standard sizes; ready-made.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "off-the-rack" in a sentence
"Although the ever-critical Gossip Girl as well as Blair Leighton Meester would likely be appalled at the notion of off-the-rack dresses"
"The new age had created a demand for off-the-rack, mass-produced clothing that could be sold in department stores."
"And while such an abode may cost less, it certainly shouldn't look like a cheap off-the-rack suit."