Requiring or characterized by great effort or energy
Tiresome by reason of length, slowness, or dullness; boring.
The definition of boring is something for making holes.
Marked by or requiring long, hard work:
Causing physical or mental fatigue; tedious or tiresome.
The definition of arduous is a way of describing something that is extremely tiring and difficult.
Lacking in shade; undiminished:
Marked by difficulty or strong resistance; laborious:
Demanding great exertion; arduous and exhausting.
Hard to lift or move because of great weight; weighty
Very busy; industrious
Find another word for toilsome. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for toilsome, like: strenuous, tedious, boring, laborious, wearisome, difficult, dull, arduous, hard, tiring and uphill.