Definition of "backstab" [backstab]

• To attack (someone) unfairly, especially in an underhand, deceitful manner: "Some backstab each other and threaten to settle their differences with a punch” ( Thomas Boswell). (verb-transitive)

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.

• "At a glance, it may seem like the profession is simply an Imperial analogue to the smuggler, but the agent focuses more on assassination skills that include both close-range "backstab" - style stealth melee and long-range sniper shots."
• "Greens are immune to poison and have a "backstab" ability in combat, whereas blues can swim and are the only ones who can damage magical enemies."
• "The acting defense chief reminded AFP officers and soldiers not to "backstab" each other when subjected to a loyalty check."