1. phrasal verb If you back off, you move away in order to avoid problems or a fight. [VP] ⇒ They backed off in horror. 2. phrasal verb If you back off from a claim, demand, or commitment that you made earlier, or if you back off it, you withdraw it. [VP + from] ⇒ A spokesman says the president has backed off from his threat to boycott the conference. [VP n] ⇒ The union has publicly backed off that demand. 3. phrasal verb [usu imper] → back If you tell someone to back off, you are telling them to stop interfering. [informal] [VP] ⇒ Back off, Mom, I'm old enough to make my own decisions!
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