the GNU version of the Collaborative International Dictionary of English
adj. Attended with toil, or fatigue and pain; laborious; wearisome.
The Century Dictionary and Cyclopedia
Attended with toil; demanding or compelling toil; laborious; fatiguing.
Synonyms Onerous, tedious.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. characterized by effort to the point of exhaustion; especially physical effort
Word Usage
"For they strive by a kind of toilsome exercise of the body itself to root out those lusts that are hurtful to the body, that is, those habits and affections of the soul that lead to the enjoyment of unworthy objects."