Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “fastidious”

fastidious

adjective uk   /fæsˈtɪd.i.əs/ us  
giving too much attention to small details and wanting everything to be correct and perfect: He is very fastidious about how a suitcase should be packed.Wanting everything to be right having a strong dislike of anything dirty or unpleasant: They were too fastidious to eat in a fast-food restaurant.Wanting everything to be right
fastidiously
adverb uk   /-li/ us  
fastidiously clean/dressedWanting everything to be right
fastidiousness
noun [U] uk   /-nəs/ us  
Wanting everything to be right
(Definition of fastidious from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of fastidious?
Add Cambridge dictionaries to your browser to your website

Definitions of “fastidious” in other dictionaries

Word of the Day

stampede

When animals or people stampede, they all move quickly in the same direction, often because they are frightened.

Word of the Day

Blog

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