Synonyms for Toil:

n.

challenge, heavy lifting, care, dedication, pursuit. put your back into something, buckle down, strain, apply yourself, overwork, strive, work at, sweat, exert yourself, forge. fall behind, plod, trail, meander, slog, wade, move, crawl, dawdle, drift, creep, slop, trudge, drop back, ease. act (noun)
labour, labor.
exertion (noun)
exertion, activity, onerousness, strenuousness, exercise, effort.
hard work (noun)
travail, effort, moil, occupation, sweat, labor, exertion.
toil (noun)
drudge, travail, labour, fag, moil, dig, labor, grind.
travail (noun)
travail.
work (noun)
employment, occupation, chore, job, task.

v.

exert (verb)
exert, apply, expend, wield, employ, discharge.
work (verb)
function, perform, act, labor, work.
work hard (verb)
strain, drudge, strive, work, plod, grind.

Other synonyms:

work at, buckle down. plod, strive, trudge, slog. overwork, sweat, forge, slop, wade. strain. exert
expend.
moil
fag.
Other relevant words:
forge, grind, slog, plod, overwork, strive, slop, labour, strain, fag, drudge, travail, wade, trudge, dig, moil, sweat, work at.

Usage examples for toil

  1. As free from danger as the heavens are free From pain and toil there would they build and be, And sail about the world to scenes unheard Of and unseen,- O were they but a bird! – Poems Chiefly From Manuscript by John Clare
  2. But do not suppose that, even with all this toil the fields are cleared of stones. – The Charm of Ireland by Burton Egbert Stevenson
  3. Learn to enjoy the toil – Heart Talks by Charles Wesley Naylor