it ain't over till the fat lady sings

Proposed by a contributor, not yet supported by evidence.

Meaning · English

A situation is not finished until the final outcome is certain

Nghĩa · Tiếng Việt

Tình huống chưa kết thúc cho đến khi kết quả cuối cùng được xác định

Machine-translated — suggest a fix

Literally: an opera ending with a final song by a large female singer
Where it’s used: Used Widespread English
Sources & notes

Listed on Wikipedia “List of proverbial phrases” (CC BY-SA 4.0, 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 2026-07-30; pending editor spot-check.

Common questions

What does “it ain't over till the fat lady sings” mean?

A situation is not finished until the final outcome is certain Literally: an opera ending with a final song by a large female singer

Is “it ain't over till the fat lady sings” formal or informal?

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