1.
[syn: laboriousness, operoseness, toilsomeness]
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):
toilsomeness
n 1: the quality of requiring extended effort [syn:
laboriousness, operoseness, toilsomeness]