noun
1.
Synonyms: work 2, bullwork, drudge, drudgery, grind, labor, moil, plugging, slavery, toil
Related Word: task; struggle
Idioms: toil and trouble
Contrasted words: relaxation, rest
2.
Synonyms: labor 2, birth pang(s), childbearing, childbirth
Related Word: contractions, pains
Idioms: birth throe