exacting has definitions from the field of microbiology
1
[ adjective ] severe and unremitting in making demands

Synonyms

stern strict

Examples

"an exacting instructor" "a stern disciplinarian" "strict standards"

Related terms

demanding

2
[ adjective ] (microbiology) having complicated nutritional requirements; especially growing only in special artificial cultures

Synonyms

fastidious

Examples

"fastidious microorganisms" "certain highly specialized xerophytes are extremely exacting in their requirements"

Related terms

unfastidious microbiology

3
[ adjective ] requiring precise accuracy

Synonyms

exigent

Examples

"an exacting job" "became more exigent over his pronunciation"

Related terms

demanding

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