informal2K

UK//jʊ kɑːnt bi ˈsɪəriəs//US//ju kænt bi ˈsɪriəs//

Meaning of You can't be serious

A phrase used to express disbelief or incredulity.

In simple words: You are joking or not being honest.

You can't be serious in a sentence

  • When he said he won the lottery again, I replied, 'You can't be serious.'
  • 'You can't be serious! You really think that will work?'
  • After hearing her outrageous idea, I laughed and exclaimed, 'You can't be serious!'
  • 'You can't be serious about missing the concert tickets again!'
  • When he thought we could hike on such a cold day, I told him, 'You can't be serious!'

How to use You can't be serious

Use this phrase in casual conversations when expressing disbelief or skepticism, typically with friends or peers. It's not suitable for formal contexts.

Grammar pattern

standalone greeting

Memory hint

Imagine someone telling a silly joke and you responding, 'You can't be serious!'

Related words

Collocations with You can't be serious

  • can't be serious about something
  • can't be serious when
  • you can't be serious if

Synonyms for You can't be serious

Common mistakes with You can't be serious

  • Using it in a formal setting.
  • Confusing it with 'Are you serious?' which asks for clarification.
  • Forgetting to use the right tone of voice to convey sarcasm.

Compare You can't be serious with No way, Seriously

You can't be serious appears in

You can't be serious in other languages

More chunks like You can't be serious

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Frequently asked questions about You can't be serious

What does You can't be serious mean?

You are joking or not being honest.

What is the definition of You can't be serious?

A phrase used to express disbelief or incredulity.

How do you use You can't be serious in a sentence?

When he said he won the lottery again, I replied, 'You can't be serious.'

Can you give another example of You can't be serious?

'You can't be serious! You really think that will work?'

What are synonyms for You can't be serious?

Common alternatives include Are you joking?, You must be kidding!, No way!, That's impossible!, Seriously?.

What words go with You can't be serious?

It commonly pairs with can't be serious about something, can't be serious when, you can't be serious if.

What are common mistakes when using You can't be serious?

Using it in a formal setting. Confusing it with 'Are you serious?' which asks for clarification. Forgetting to use the right tone of voice to convey sarcasm.

How do you pronounce You can't be serious?

US: //ju kænt bi ˈsɪriəs//, UK: //jʊ kɑːnt bi ˈsɪəriəs//. Listen to the audio above to hear native pronunciation.

Is You can't be serious formal or informal?

"You can't be serious" is informal, so it fits casual conversation with friends and family.

When should I use You can't be serious?

Use this phrase in casual conversations when expressing disbelief or skepticism, typically with friends or peers. It's not suitable for formal contexts.