Webster's Revised Unabridged Dictionary · 1913

Fastidious

Fastidious , adjective

[Latin fastidiosus disdainful, from fastidium loathing, aversion, perh. from fastus arrogance (of uncertain origin) + taedium loathing. Compare Tedious, Fash.]

Difficult to please; delicate to a fault; suited with difficulty; squeamish; as, a fastidious mind or ear; a fastidious appetite.
Proud youth! fastidious of the lower world. — Young