Use it to express that something is shockingly hard to believe, often due to extreme circumstances.

Extreme Situations

It's a figurative expression, not to be taken literally.

Not Literal

It often carries a negative connotation, implying something is unacceptably extreme.

It's used for things so impressive they're hard to put into words.

Unlike 'beggar belief', this phrase often has a positive context, signifying admiration.

Best used when referring to unique or once-in-a-lifetime experiences.