get one's back up

idiom
UK: /ˌɡet wʌnz ˈbæk ʌp/
US: /ˌɡet wʌnz ˈbæk ʌp/
  1. To become angry or annoyed, often because you feel you have been criticized or challenged.

    1. He did get his back up when I asked about his past.
    2. She tends to get her back up whenever someone questions her decisions, even if it's constructive.
get one's back up phrasal-verb
  1. To react defensively or aggressively.

    1. Don't get your back up, I'm just trying to help.
    2. I was only suggesting a different approach; there's no need to get your back up about it.

Frequently Asked Questions

The phonetic transcription of "get one's back up" is /ˌɡet wʌnz ˈbæk ʌp/ in British English and /ˌɡet wʌnz ˈbæk ʌp/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "get one's back up": take offense, bristle, resent.

Example usage of "get one's back up": "He did get his back up when I asked about his past.". More examples on the page.