go off the rails

idiom

Definition of go off the rails

informal
: to lose control and start to behave in a way that is not normal or acceptable He was a promising student but he went off the rails after he started taking drugs.

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Dictionary Entries Near go off the rails

go off the air

go off the rails

go off with

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Cite this Entry

“Go off the rails.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20off%20the%20rails. Accessed 24 May. 2022.

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