break ranks

Idioms  

1. Fall out of line or into disorder; also, fail to conform, deviate. For example, The recruits were warned that they must not break ranks, or Harry was told to adhere to the party platform and not break ranks. This idiom uses rank in the sense of “soldiers drawn up in line,” and the term originally referred to their falling into disarray. The figurative usage dates from the mid-1800s.

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Example Sentences

Jeffries has said he believes only a small number of Republicans would need to break ranks for the measure to pass.

From Barron's • Apr. 9, 2026

They’re “mavericks,” “outsiders,” principled conservatives who are willing to break ranks to stand up for what’s right.

From Slate • Jul. 8, 2025

A vote study by CQ Roll Call found her the second-most likely House Democrat to break ranks.

From Los Angeles Times • Oct. 27, 2024

A council that was first to break ranks over the council tax freeze may fall into line after an offer of extra cash.

From BBC • Mar. 19, 2024

They didn’t talk to anyone, or break ranks.

From "The Rock and the River" by Kekla Magoon