Verb

• S: (v) demand, exact (claim as due or just) "The bank demanded payment of the loan"
• S: (v) claim, take, exact (take as an undesirable consequence of some event or state of affairs) "the accident claimed three lives"; "The hard work took its toll on her"

Adjective

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