Meaning & use
if it ain't broke
Last updated
Meanings
phrasefixed phraseinformal
Used to say that something already working well should be left alone rather than changed or improved.
Grammar: Stands alone as a comment or short clause; it is not followed by an object.
Patterns
- If it ain't broke, don't fix it.
- If it ain't broke, why change it?
- I'd leave it alone — if it ain't broke...
The team wants to redesign the whole website, but the current one works fine — if it ain't broke, don't fix it.
Why are you rewriting the schedule? If it ain't broke, leave it alone.
She told me not to touch the engine: if it ain't broke, don't fix it.
phrasefixed phraseinformaldisapproving
Used to argue against changing a system, method, or arrangement that is still successful.
Grammar: Often used to disagree with a proposal for change; it can sound slightly dismissive.
Patterns
- if it ain't broke, don't fix it
- if it ain't broke, why fix it?
The manager rejected the new software with a shrug: if it ain't broke, don't fix it.
Some teachers resist every reform with the same line — if it ain't broke, why fix it?
Common combinations
- if it ain't broke, don't fix it
- My grandfather always said, "If it ain't broke, don't fix it," whenever we suggested painting the house.
- if it ain't broke, why fix it?
- The recipe has worked for years, so if it ain't broke, why fix it?
- if it ain't broke, leave it alone
- The printer is slow but reliable; if it ain't broke, leave it alone.
- if it ain't broke, don't change it
- The coach kept the same lineup all season: if it ain't broke, don't change it.
Synonyms and how they differ
- leave well alone
- A more neutral British-sounding phrase with the same advice, used as a verb phrase rather than a comment.
- don't rock the boat
- Similar in warning against change, but it focuses on avoiding trouble rather than keeping something that works.
- don't mess with success
- An American informal saying with almost the same meaning, often used in business contexts.
Opposites
Commonly confused: if it ain't broke or ain't?
if it ain't broke vs ain't
A nonstandard contraction of "am not," "is not," "are not," "has not," or "have not"; it is common in casual speech but avoided in formal writing.
Practice
A colleague suggests replacing the office coffee machine, which everyone likes. Which reply fits best?
Choose one answer.
The fixed saying advises leaving something alone when it works, so "don't fix it" fits. Option 1 reverses the advice, and the others contradict the meaning of "ain't broke."
Make it your own
Write a sentence using “if it ain't broke”, then check it and compare it with the examples above.