; → alone
1. to refrain from bothering or interfering with: also leave alone
2. not to speak of
⇒ we hadn't a dime, let alone a dollar
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.