Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “hideous”


adjective     /ˈhɪd.i.əs/
extremely ugly or bad: They've just built some hideous new apartment blocks on the seafront. She wears the most hideous colour combinations you could ever imagine.Not attractive to look atSerious and unpleasant hideousness     /-nəs/ noun [U] Not attractive to look atSerious and unpleasant
(Definition of hideous adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of hideous

Definitions of “hideous” in other dictionaries

Word of the Day


to direct the way that a ship, aircraft, etc. will travel, or to find a direction across, along, or over an area of water or land, often by using a map

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More