up in arms

Pronunciation

• (UK) IPA ^(key): /ʌp ɪn ɑːmz/
• (US) IPA ^(key): /ʌp ɪn ɑrmz/

• Audio (AU)

  (file)

Expression

Expression up in arms

1. (idiomatic) If you are up in arms, you are angry and ready for a fight.

   The workers were up in arms after they heard about the earlier starting time.

Related words

• arms
• in
• up