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To sign an agreement giving away or relinquishing something. A noun or pronoun can be used between "sign" and "away." Many people unwittingly sign away their right to privacy when they use these high-tech devices. He signed the deed to the house away in a drunken game of high-stakes poker.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
sign something away
to sign a paper in which one gives away one's rights to something. Valerie signed her rights away. she signed away her claim to the money.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
To give something up by signing one's name; relinquish something by signature: When they agreed to settle the lawsuit, they signed away their claim to the estate. If you wanted the right to sell your work independently, you shouldn't have signed it away by joining the organization.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.