Preposterous

/prɪˈpɒstərəs/

Meaning & Definition

adjective

contrary to reason or common sense; utterly absurd or ridiculous.

The idea that aliens built the pyramids is preposterous.

extremely foolish or unreasonable.

His preposterous claims about being a time traveler were quickly dismissed.

having no real meaning; nonsensical.

The committee rejected the preposterous proposal that suggested we should work only three days a week.

beyond the bounds of propriety or good taste.

It’s preposterous to think that anyone would consider such a rude comment acceptable at a formal event.

Late Latin 'praeposterus' meaning 'placed in reverse order'.

a preposterous claim

an assertion that is extremely absurd or ridiculous.

preposterous notion

an idea that defies reason or logic.

absurd

inconsistent with reason or logic.

ridiculous

deserving or inviting derision or mockery; absurd.

ludicrous

so foolish, unreasonable, or out of place as to be amusing.

wacky

That suggestion is just wacky and preposterous.

crazy talk

What you just said is crazy talk, totally preposterous.