if it ain't broke, don't fix it
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Leave something alone if it is working satisfactorily
Nghĩa · Tiếng Việt
Đừng sửa chữa điều gì nếu nó vẫn hoạt động tốt
Machine-translated — suggest a fix
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 “if it ain't broke, don't fix it” mean?
Leave something alone if it is working satisfactorily
Is “if it ain't broke, don't fix it” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.