n. The character of being toilsome; laboriousness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of requiring extended effort
Word Usage
"The heat, the clatter, the stuffy odours, the toilsomeness, the fatigue of town life are abandoned; the careless quiet, the calm, the refreshment of the whole air, the tonic of the wide sea are gained."