Don't matter though vs No big deal

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

Don't matter though

InformalTop 3,000 (common)

No big deal

InformalTop 2,000 (common)
Most common: No big deal
 Don't matter thoughNo big deal
Pronunciation🇬🇧 //dəʊnt ˈmætə ðəʊ//🇺🇸 //doʊnt ˈmæɾər ðoʊ//🇬🇧 //nəʊ bɪg diːl//🇺🇸 //noʊ bɪɡ diːl//
MeaningIt doesn't matter, anyway.Not important or serious.
ExampleI didn't pass the test, but it don't matter though.When she apologized for being late, I said, 'It's no big deal.'
RegisterInformalInformal
How commonTop 3,000 (common)Top 2,000 (common)
Collocationsit don't matter though, doesn't matter though, but it don't matter thoughmake it no big deal, say no big deal, treat as no big deal
Antonymsmatters a lot, important, significant-
Common mistakesUsing 'doesn't' instead of 'don't' in informal contexts., Forgetting to use 'though' at the end., Overusing it in contexts needing formality.Used in formal contexts where seriousness is expected., Confused with 'no big idea' which has a different meaning., Mispronounced or used too seriously.
Usage notesCommonly used in casual conversation to downplay significance. Avoid in formal writing or settings.Commonly used in casual conversations to downplay a situation. Avoid in formal contexts.

See it in real clips

Don't matter though
No big deal

Frequently asked questions: Don't matter though vs No big deal

What's the difference between Don't matter though and No big deal?

Don't matter though: It doesn't matter, anyway. No big deal: Not important or serious.

Which is more common: Don't matter though and No big deal?

No big deal is the most common in everyday English.

Can you show an example of each?

Don't matter though: I didn't pass the test, but it don't matter though. No big deal: When she apologized for being late, I said, 'It's no big deal.'

Can I use Don't matter though and No big deal interchangeably?

Not always. Don't matter though and No big deal 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.

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