estenuante (bn):
uitputtend(en) so difficult or taxing as to make one exhausted.
(en) Very tiring.
(fr) Propre à épuiser., afmattend(en) so difficult or taxing as to make one exhausted., vermoeiend(en) Very tiring.
Via: Dbnary en WikiWoordenboeken
Via: Memodata.com