Gruelling in spanish
Agotador
pronunciation: ɑgoʊtɑdoʊɹ̩ part of speech: adjective
pronunciation: ɑgoʊtɑdoʊɹ̩ part of speech: adjective
In gestures
gruelling [grueling, -USA] = agotador, duro, extenuante, penoso, durísimo.
Example: He has become one of the first people in the world to complete a gruelling foot race involving four deserts on four different continents.