Unfortunate vs Your luck's not that good

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

Unfortunate

Top 2,000 (common)B2adjective

Your luck's not that good

InformalTop 2,000 (common)
Most formal: Unfortunate
 UnfortunateYour luck's not that good
Pronunciation🇬🇧 /["/ʌnˈfɔːtʃənət/"]/🇺🇸 /["/ʌnˈfɔːrtʃənət/"]/🇬🇧 //jʊə lʌks nɒt ðæt gʊd//🇺🇸 //jʊr lʌks nɑt ðæt ɡʊd//
MeaningSomething bad that happens.Good luck doesn't happen often for you.
ExampleHe was unfortunate to lose in the final round.Don't get your hopes up; your luck's not that good when it comes to gambling.
RegisterNeutralInformal
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2-
Part of speechadjective
Collocationsbe, seem, consider somebody/​something, extremely, fairly, very, be, seem, consider somebody/​something, extremely, fairly, very, be, seem, consider somebody/​something, extremely, fairly, verygood luck, bad luck, your luck, not good
Antonymsfortunate, lucky-
Common mistakesConfused with 'unfortunate' vs 'unfortunately' — remember one is an adjective and the other is an adverb., Using 'unfortunate' as a noun. It should only be an adjective., Forget to use it in the right contexts; use instead of just saying 'bad'.Confusing with 'Your luck is not that good' (less colloquial)., Using in formal situations., Not understanding the tone, which is often sarcastic.
Usage notesUse 'unfortunate' to describe situations or events that have a negative outcome. It's neutral, but avoid it in very casual conversations where simpler terms like 'bad' might be more common.Used to express skepticism about someone's positive expectations. Best in casual conversations, not suitable for formal contexts.

See it in real clips

Unfortunate
Your luck's not that good

Frequently asked questions: Unfortunate vs Your luck's not that good

What's the difference between Unfortunate and Your luck's not that good?

Unfortunate: Something bad that happens. Your luck's not that good: Good luck doesn't happen often for you.

Which is more formal: Unfortunate and Your luck's not that good?

Unfortunate is the most formal of these.

Can you show an example of each?

Unfortunate: He was unfortunate to lose in the final round. Your luck's not that good: Don't get your hopes up; your luck's not that good when it comes to gambling.

Can I use Unfortunate and Your luck's not that good interchangeably?

Not always. Unfortunate and Your luck's not that good 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.