exacting
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
Similar spelling:   executing
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  Exocoetidae
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