Definition of behind someone's back in English:

behind someone's back

phrase

  • Without a person's knowledge and in an unfair way.

    ‘Carla made fun of him behind his back’
    • ‘She didn't go skulking around behind your back.’
    • ‘We're telling jokes about you behind your back.’
    • ‘Do you often feel that many people are talking about you behind your back?’
    • ‘Your friends are smoking behind your back and not telling you.’
    • ‘How can you trust them with the children in your charge when they are breaking rules and laws behind your back.’
    • ‘Who is more critical of you and more likely to pass comments on how you look/what you wear and gossip behind your back?’
    • ‘But while your friends snigger behind your back, all you worry about - initially, at any rate - is sleep and how to get some.’
    • ‘In Wales they all speak behind your back in their mother tongue and you don't know what they're saying.’
    • ‘Find out what people are saying about you behind your back.’
    • ‘But what's worse than people speaking rudely to your face is doing so behind your back, especially when it's not true.’
    • ‘It's all very well to dress to please yourself, but you wouldn't want to hear what they say about you behind your back when you do.’
    • ‘They may agree that everyone's doing it nowadays, but they're still laughing behind your back.’
    • ‘Friends and family will comment on the difference immediately - if only behind your back.’
    • ‘We're having a secret rendezvous behind Droven 's back.’
    • ‘He was wearing green silk pajamas that we all secretly teased him for behind his back.’
    • ‘There is one thing about people talking about you behind your back; it is quite another thing being humiliated in a newsletter.’
    • ‘In fact he had done many a vile thing behind her back without her knowledge.’
    • ‘It can help when you need to brag or blow off steam or tell a secret or even talk behind someone's back.’
    • ‘Your friend is being honest with you, which is a good thing: it would be worse for her to go behind your back and flirt with him.’
    • ‘Someone close to you has done something behind your back, knowing that it would hurt you deeply if you found out.’
    secretly, without someone's knowledge, on the sly, deceitfully, slyly, sneakily, covertly, surreptitiously, furtively
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