|light, airy, or tenuous; extremely delicate or refined; heavenly, celestial or pertaining to the upper regions of space|
|1.||very critical; hard to please|
|2.||excessively particular about details|
|3.||exceedingly delicate; easily disgusted|
|[C15: from Latin fastīdiōsus scornful, from fastīdium loathing, from fastus pride + taedium weariness]|
fastidious fas·tid·i·ous (fā-stĭd'ē-əs, fə-)
Possessing or displaying careful, meticulous attention to detail.
Difficult to please; exacting.
Having complex nutritional requirements. Used of microorganisms.