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have one's back up. In DICTIOUS you will not only get to know all the dictionary meanings for the word
have one's back up, but we will also tell you about its etymology, its characteristics and you will know how to say
have one's back up in singular and plural. Everything you need to know about the word
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English
Pronunciation
Verb
have one's back up (third-person singular simple present has one's back up, present participle having one's back up, simple past and past participle had one's back up)
- (idiomatic) To be angry or defensive.
He's had his back up all morning. There's no point in trying to talk to him.
Synonyms
See also