adjective

fastidious

fastidious, meticulous, scrupulous

He is fastidious about his appearance.

He is fastidious about his appearance.

She is a fastidious cleaner.

She is a fastidious cleaner.

fastidious about ((sth.)) very attentive to details about (sth.) He is fastidious about his appearance.

a fastidious ((noun)) a person who is very attentive to detail She is a fastidious cleaner.

Synonyms: meticulous, scrupulous, particular; Antonyms: careless, sloppy

From Latin 'fastidium', meaning 'aversion, disgust'. It originally conveyed a sense of being disgusted by anything that wasn't perfect.

Imagine someone who is so 'fast' to notice details that it becomes 'tedious' for others. Fast + tedious = fastidious.

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