go off on a tangent

phrase

: to start talking about something that is only slightly or indirectly related to the original subject

She went off on a tangent about what happened to her last summer.

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go off half-cocked

go off on a tangent

go off the air

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“Go off on a tangent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20off%20on%20a%20tangent. Accessed 13 Mar. 2026.

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go off on a tangent

phrase

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