No excuse vs No reason

When to use each in English, with meaning, register, and examples.

No excuse

InformalTop 3,000 (common)

No reason

Top 2,000 (common)
Most formal: No reasonMost common: No reason
 No excuseNo reason
Pronunciation🇬🇧 //nəʊ ɪkˈskjuːs//🇺🇸 //noʊ ɪkˈskjus//🇬🇧 //nəʊ ˈriːzn//🇺🇸 //noʊ ˈriːzən//
MeaningA reason that is not acceptableAn explanation or cause that does not exist.
ExampleYou were late to the meeting, and there's no excuse for that.He left the party for no reason at all.
RegisterInformalNeutral
How commonTop 3,000 (common)Top 2,000 (common)
Collocationsno excuse for, no excuse accepted, make no excuse, give no excusefor no reason, no reason at all, no apparent reason
Common mistakesMisusing with positive statements (should be with negatives), Overusing in serious contexts where gentler language is requiredUsing 'no reason' when a reason is actually implied., Confusing it with 'any reason' which implies a possibility., Misplacing it in sentences, leading to unclear meaning.
Usage notesUsed often when someone is held accountable for their actions without valid reasons. Generally informal with friends or in casual discussions; can be perceived as harsh in formal discourse.Use when you need to say that something happened without a clear cause. It is suitable in both casual and formal contexts, though may sound less formal.

See it in real clips

No excuse
No reason

Frequently asked questions: No excuse vs No reason

What's the difference between No excuse and No reason?

No excuse: A reason that is not acceptable No reason: An explanation or cause that does not exist.

Which is more formal: No excuse and No reason?

No reason is the most formal of these.

Which is more common: No excuse and No reason?

No reason is the most common in everyday English.

Can you show an example of each?

No excuse: You were late to the meeting, and there's no excuse for that. No reason: He left the party for no reason at all.

Can I use No excuse and No reason interchangeably?

Not always. No excuse and No reason are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.