noun
1.
the active use of energy in producing a result
thought the job wasn't worth the effort
Synonyms: elbow grease, exertion, pains, trouble, while
Related Word: labor, toil, travail, work; energy, force, might, power, puissance; attempt, endeavor, essay
Idioms: sweat of one's brow
Contrasted words: adroitness, facility, smoothness; do-nothingness, inaction, indolence, inertia, lackadaisicalness, languor, laziness
Antonyms: ease
2.
Synonyms: task 2, chore, job, taskwork