stabbed in the back

Sold out secretly

Stabbed in the back describes being betrayed by someone trusted—a friend, ally, or colleague who attacks when you're vulnerable or not looking: I can't believe she stabbed me in the back after I recommended her for the job.

The image is of treacherous assault from behind, where you can't defend yourself.

The phrase often appears as the noun backstab or backstabbing.

Related

et tu Brute · pain · disloyalty · deceit · sneak attack · turncoat · treason · sold out · Brutus · Judas · double-crossing · duplicity · false friend · friendship · camaraderie · infidelity · cheated · thrown under the bus

Opposites
loyalty and betrayal

stabbed in the backstood by

Supported or awaited

kept faith · defended · supported · backed up · protected

manner of conflict

stabbed in the backdeclared war

Formally announced military aggression

support vs. harm

stabbed in the backchampioned

Actively supported a cause

backed up · vouched for · boosted · lifted up · built up

Family

stab, stabbed, stabbing, stabber, back, backed, backing, backer, backside

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Negative · Everyday, not technical · Rated PG