fastidious

Definitions

Very attentive to and concerned about accuracy and detail.

Very concerned about matters of cleanliness or personal appearance.

Examples

He is very fastidious about how his books are arranged on the shelf.

The fastidious housekeeper noticed even the smallest speck of dust in the corner.

She was fastidious in her research, double-checking every single citation for accuracy.

Synonyms

meticulous scrupulous punctilious painstaking demanding fussy finicky

Antonyms

careless sloppy indiscriminate unfussy lax negligent easygoing