Definition of "antitheft" [antitheft]

• Designed to prevent theft: an antitheft automotive device. (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.

• "Automobile manufacturers have been using some kind of antitheft technology in keys since 1986 when General Motors introduced its original Pass Key system for Chevrolet Corvettes."
• "He lifted his arm to show her the antitheft device affixed to his sleeve at the armpit, then pointed out the alarm on his shoe."
• "Along the way, and this is part of the fun of the show, we got tips on how to disable a GPS antitheft device on a luxury automobile."