adj.
- Possessing or displaying careful, meticulous attention to detail.
- Difficult to please; exacting.
- Excessively scrupulous or sensitive, especially in matters of taste or propriety. See synonyms at meticulous.
- Microbiology. Having complicated nutritional requirements.
[Middle English, squeamish, particular, haughty, from Old French fastidieux, from Latin fastīdiōsus, from fastīdium, squeamishness, haughtiness, probably from fastus, disdain.]
fastidiously fas·tid'i·ous·ly adv.fastidiousness fas·tid'i·ous·ness n.





