Synonyms:
labor, labour, toil, fag, travail, grind, drudge, dig, moil
Meaning: work hard; "She was digging away at her math homework"; "Lexicographers drudge all day long"
Usage examples
You are born to toil and drudge, my little friend.
She was a little drudge and outcast; she was given her lessons at odd times and expected to learn without being taught; she was sent on errands by Miss Minchin, Miss Amelia and the cook.
One night, while this little drudge was prowling about above stairs, she overheard Brass telling his sister, Sally (who was his partner and colder and crueler and more wicked even than he was), the trick he was going to play.