preposterous

Từ điển Oxford Advanced Learner 8th

pre·pos·ter·ous BrE [prɪˈpɒstərəs] NAmE [prɪˈpɑːstərəs] adjective (formal)
1. completely unreasonable, especially in a way that is shocking or annoying
Syn: ↑outrageous
•These claims are absolutely preposterous!
•It's preposterous to suggest that everything was her fault!
2. unusual in a silly or shocking way
Syn: ↑outrageous
•The band were famous for their preposterous clothes and haircuts.
Derived Word: ↑preposterously

Word Origin:
[preposterous preposterously] mid 16th cent.: from Latin praeposterus ‘reversed, absurd’ (from prae ‘before’ + posterus ‘coming after’) + ↑-ous.

Example Bank:
•The whole idea sounds quite preposterous!

• Từ đồng nghĩa / Synonyms:
  absurd, cockeyed, derisory, idiotic, laughable, ludicrous, nonsensical, ridiculous