Unable vs You're in no condition

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

Unable

Top 2,000 (common)B1adjective

You're in no condition

InformalTop 5,000 (fairly common)
Most formal: UnableMost common: Unable
 UnableYou're in no condition
Pronunciation🇬🇧 /["/ʌnˈeɪbl/"]/🇺🇸 /["/ʌnˈeɪbl/"]/🇬🇧 //jʊə(r) ɪn nəʊ kənˈdɪʃ(ə)n//🇺🇸 //jʊr ɪn noʊ kənˈdɪʃ(ə)n//
Meaningnot able to do somethingYou are not able to do something well.
ExampleI was unable to attend the meeting due to a family emergency.You're in no condition to drive after that drink.
RegisterNeutralInformal
How commonTop 2,000 (common)Top 5,000 (fairly common)
CEFR levelB1-
Part of speechadjective
Collocationsappear, be, feel, completely, quite, totally, unwilling or unableno condition to perform, in no condition to continue, you're in no condition for work, in no condition to participate
Antonymsable, capable-
Common mistakesConfused with 'unable to' and 'not able to' — they mean the same but usage can vary., Using 'unable' without a following action verb., Misplacing adjectives — remember 'unable' always describes capability.Using 'condition' incorrectly in a medical context., Confusing the phrase with 'You're in good condition'., Forgetting to use it as a casual remark.
Usage notesUse 'unable' in situations where someone or something lacks the ability to perform an action. It's appropriate in both spoken and written contexts, but avoid in very casual conversations.Often used in casual conversations to indicate someone's state or ability. It's less formal and may not be suitable in serious discussions.

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Unable
You're in no condition

Frequently asked questions: Unable vs You're in no condition

What's the difference between Unable and You're in no condition?

Unable: not able to do something You're in no condition: You are not able to do something well.

Which is more formal: Unable and You're in no condition?

Unable is the most formal of these.

Which is more common: Unable and You're in no condition?

Unable is the most common in everyday English.

Can you show an example of each?

Unable: I was unable to attend the meeting due to a family emergency. You're in no condition: You're in no condition to drive after that drink.

Can I use Unable and You're in no condition interchangeably?

Not always. Unable and You're in no condition 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.