preposterous

word

/pɹɪˈpɑstɝəs/
pri-PAHS-tur-us
/pɹɪpˈɒstəɹəs/
pri-POS-tuh-rus

Definition

Extremely unreasonable, silly, or completely ridiculous; something that doesn't make sense at all.

Usage & Nuances

'Preposterous' is formal, often used for strong criticism or disbelief, and is common in written or serious spoken English. It implies that an idea is not just wrong, but ridiculous. Collocates with 'idea,' 'suggestion,' 'claim,' and 'notion.' Slightly old-fashioned in casual speech; often replaced by 'ridiculous' or 'absurd.'

Example Sentences

The idea that cats can talk is preposterous.

basic

Honestly, that claim is just preposterous!

natural

You want me to work all weekend? That's preposterous!

natural

The cost of that meal was preposterous for what we got.

natural

That suggestion is preposterous.

basic

It would be preposterous to believe everything you hear.

basic