Impossibility

used to say that the chances of something happening or being true are very slim

I would not go back to that restaurant in a million years, the service was terrible.

something that seems impossible to occur

Asking for a salary increase of 500% was like requesting a trip to the sun; it wasn't going to happen.

used to refer to something that cannot be done or obtained in any way

And you still can't get a good daily woman now to clean, not for love or money.

something that is very good or desirable but highly unlikely to happen or be real

This talk of moving to Australia is all just pie in the sky.

used to refer to something that is impossible or is extremely hard to imagine or obtain

By no stretch of the imagination does the factory operate efficiently.

used to indicate that something is impossible, unacceptable, or absolutely will not happen under any conditions

No way are you borrowing my laptop after last time!

used to say that an offer or possibility is not renewable or available any more

If you were hoping to ask Mollie out, that ship has long sailed—she's going to the dance with Peter.

to be unable to do or finish something without being harmed or suffering its consequences

We're already over budget on this project, and we can ill afford any additional expenses.

the time when it becomes impossible for one to return to a previous place or state or to make a different decision

After signing the contract, they had reached the point of no return, and there was no way to cancel the deal.

not allowed or possible

Going on vacation this summer is out of the question due to work commitments.

said to mean that it is impossible for something to ever happen

"I'll lend you my vintage car when chickens have teeth," he said, doubting he would ever let anyone borrow it.

used to express disbelief in something happening

"I'll lend you my vintage sports car when hell freezes over," he replied when asked for a loan.

used for saying that it is completely unlikely that something ever happens

"He'll admit he was wrong when it's a cold day in hell," his friends said, acknowledging his stubbornness.

used to say that one thinks that something will never happen

"I'll lend you my vintage car when two Sundays come together," he said, doubting he would ever let anyone borrow it.

to desire what cannot be achieved

Asking for a raise right after starting a new job is like crying for the moon; you need to prove your worth first.

(of a proposal, topic, or offer) unavailable or incapable of being considered

After the argument, the idea of a raise was off the table.

a hope or wish that cannot be realized or fulfilled

His dream of becoming a billionaire without putting in any effort is nothing but a castle in the air.

used to emphasize that something is completely impossible or prohibited

The car wouldn't start this morning, so it's a no-go for our road trip.