adj. arduous, laborious, tough, hard, difficult, strenuous, burdensome, onerous, back-breaking, exhausting, fatiguing, tiring, enervating, wearying, draining After a toilsome ascent we finally reached the first camp
TOILSOME
Meaning of TOILSOME in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012