demandingly


de·mand·ing

D0118500 (dĭ-măn′dĭng)adj.1. Requiring much effort or attention: exhausted by a demanding job.2. Requiring others to work hard or meet high expectations: a demanding teacher.
de·mand′ing·ly adv.
Thesaurus
Adv.1.demandingly - in a demanding manner; "he became demandingly dominant over the years"