1.
[syn: arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome]
The Collaborative International Dictionary of English v.0.48:
Toilsome \Toil"some\ (toil"s[u^]m), a.
Attended with toil, or fatigue and pain; laborious;
wearisome; as, toilsome work.
[1913 Webster]
What can be toilsome in these pleasant walks? --Milton.
[1913 Webster] -- Toil"some*ly, adv. -- Toil"some*ness,
n.
[1913 Webster]
WordNet (r) 3.0 (2006):
toilsome
adj 1: characterized by effort to the point of exhaustion;
especially physical effort; "worked their arduous way up
the mining valley"; "a grueling campaign"; "hard labor";
"heavy work"; "heavy going"; "spent many laborious hours
on the project"; "set a punishing pace" [syn: arduous,
backbreaking, grueling, gruelling, hard, heavy,
laborious, operose, punishing, toilsome]