Definition, Meaning & Synonyms

be up in arms

idiom

bi əp ɪn ɑrmz

Definition

To be very angry or upset about a particular issue or situation.

Examples

After the proposed changes to the school curriculum, parents were up in arms, demanding a meeting with the board.
When the city council announced the new tax hike, residents were up in arms, voicing their outrage at local gatherings.
The workers were up in arms about the lack of safety measures in the factory.

Meaning

The phrase ‘be up in arms’ refers to a state of agitation or protest, usually due to a perceived injustice or violation of rights. It suggests that the person or group is ready to take action, often in a confrontational manner.