English · Idiom Candidate

one thing led to another

Proposed by a contributor, not yet supported by evidence.

Both English Tiếng Việt

Meaning · English

A situation or event developed into something more complex or unexpected.

Nghĩa · Tiếng Việt

Một tình huống hoặc sự kiện phát triển thành điều gì đó phức tạp hơn hoặc không lường trước

Machine-translated — suggest a fix

Literally: a series of events where one causes another

Where it’s used: Used Widespread English

Examples

We were talking about work, but one thing led to another and we ended up discussing our personal lives.

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.

Common questions

What does “one thing led to another” mean?

A situation or event developed into something more complex or unexpected. Literally: a series of events where one causes another

Is “one thing led to another” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.