Synonyms of toilsome

1 Syllable
hard, rough
2 Syllables
troublous, upstream, taxing, hard-won, strenuous, toilful, arduous, uphill
3 Syllables
laborious, demanding, disturbing, perturbing, difficult, ballbuster, exhausting, backbreaking, onerous, unsettling, upsetting, labored
4 Syllables
wearisome, difficile, burdensome, operose, tiresome, overtaxing
6 Syllables
energy-consuming