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up in arms

up in arms

25 6.1
Very angry and protesting about something they think is unfair
  • idiom
translation icon : indignado
  • After the controversial decision to close the local school, parents were up in arms and demanded a meeting with officials.

Like I don't understand why people are not up in arms over that.

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Examples

  • Lately, people have been getting up in arms about homeless people and poor people who have cell phones.

    Blog text (7)
  • Residents are up in arms about the new tax increase, organizing protests throughout the city.

  • The whole city is up in arms.

  • Community leaders are up in arms...

  • - People are up in arms, speaking out against what they believe...

  • And everyone on Twitter and all across news articles has just been up in arms about it.

  • Everyone in Philadelphia was up in arms about it.

    Fiction book (1994)
  • I do understand why everyone is up in arms about his policies and his secular socialist ways.

    Blog text (14)
  • The Canadian Broadcasting Corporation is up in arms over a comment.

    Blog text (1)
  • But talk of raising water levels and creating buffer zones has local farmers up in arms.

    Academic text (1994)

Synonyms

outraged
vsup in arms
27 4.1

Feeling very angry and shocked because something seems unfair

is anger plus active protest against the same injustice
irate
vsup in arms
23 5.3

Very angry and showing it

involves active protest rather than only feeling angry
in an uproar
vsup in arms
8 5.3

Very noisy and upset because people are angry or worried

is public anger expressed through active protest against unfair action
infuriated
vsup in arms
1 4.5

Feeling very angry because someone treated you unfairly

is directed outward as protest action against perceived unfairness
incensed
vsup in arms
  • Formal
6.2

Very angry because of something unfair or wrong

is anger combined with active public protest against unfairness
enraged
vsup in arms
4.1

Very angry and likely to act violently

focuses on active public opposition and protest rather than rage alone

Antonyms

108 1.0

A feeling of being happy with what you have

3.6

Willing to welcome new ideas, people, or situations without judging them

How Angry

enraged
4.1
furious
238 3.0
up in arms
25 6.1
angry
1.0
annoyed
77 1.0
irritated
44 3.1

Surface Forms

up in arms positive

Morphology

up + in + arms

The components suggest a metaphorical source: 'arms' (weapons) plus 'up in' (ready/uprised) yields the image of people ready to take up weapons, which can be extended to being angry and ready to protest. This requires a historical/metaphorical inference beyond simple composition, so a B1 learner knowing the words would only partially predict the idiomatic meaning.

Etymology

Up in arms may come from the image of people who are up with their arms raised, ready to fight or protest. So, it now means 'angry and actively protesting'.