From Longman Dictionary of Contemporary Englishfastidiousfas‧tid‧i‧ous /fæˈstɪdiəs/ adjective CAREFULvery careful about small details in your appearance, work etc SYN meticulous people who are fastidious about personal hygiene —fastidiously adverb —fastidiousness noun [uncountable]
Examples from the Corpus
fastidious• When hungry times set in, the scouts become less fastidious and give lengthy dances even for poor food.• A cat is a fastidious animal that washes itself frequently.• Archie may not have been fastidious, but in his own way he was cultivated.• Such questions are distasteful for a fastidious cleric who thinks of sexuality as a loss of self-control.• His fastidious imagination shied away from the details of Jack's new ménage.• Vibrato, like all flavouring, needs very fastidious use on brass instruments.• And second, the boy was fastidious with his toy.Origin fastidious (1400-1500) Latin fastidiosus, from fastidium “strong dislike” 