Definition: requiring precise accuracy
Usage: an exacting job; became more exigent over his pronunciation
Main entry: stern, strict, exacting
Definition: severe and unremitting in making demands
Usage: an exacting instructor; a stern disciplinarian; strict standards
Main entry: fastidious, exacting
Definition: having complicated nutritional requirements; especially growing only in special artificial cultures
Usage: fastidious microorganisms; certain highly specialized xerophytes are extremely exacting in their requirements