fastidious
Cross references: 1. nice fas.tid.i.ous \fa-'stid-e--*s\ aj [ME, fr. L fastidiosus, fr. fastidium disgust, prob. fr. fastus)X arrogance + taedium irksomeness; akin to L fastigium top archaic 1: SCORNFUL 2a: overly difficult to please 2b: showing or demanding excessive delicacy or care 3: having complex nutritional requirements {~ microorganisms} - fas.tid.i.ous.ly av