Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb labour

3 senses of labour

Sense 1
labor, labour, toil, fag, travail, grind, drudge, dig, moil -- (work hard; "She was digging away at her math homework"; "Lexicographers drudge all day long")
       => work, do work -- (be employed; "Is your husband working again?"; "My wife never worked"; "Do you want to work after the age of 60?"; "She never did any work because she inherited a lot of money"; "She works as a waitress to put herself through college")

Sense 2
tug, labor, labour, push, drive -- (strive and make an effort to reach a goal; "She tugged for years to make a decent living"; "We have to push a little to make the deadline!"; "She is driving away at her doctoral thesis")
       => fight, struggle -- (make a strenuous or labored effort; "She struggled for years to survive without welfare"; "He fought for breath")

Sense 3
labor, labour -- (undergo the efforts of childbirth)
       => undergo -- (pass through; "The chemical undergoes a sudden change"; "The fluid undergoes shear"; "undergo a strange sensation")

Antonyms of adj labouring

1 sense of labouring

Sense 1
drudging, laboring, labouring, toiling -- (doing arduous or unpleasant work; "drudging peasants"; "the bent backs of laboring slaves picking cotton"; "toiling coal miners in the black deeps")

INDIRECT (VIA busy) -> idle -- (not in action or at work; "an idle laborer"; "idle drifters"; "the idle rich"; "an idle mind")

Similarity of adj labouring

1 sense of labouring

Sense 1
drudging, laboring, labouring, toiling -- (doing arduous or unpleasant work; "drudging peasants"; "the bent backs of laboring slaves picking cotton"; "toiling coal miners in the black deeps")
       => busy (vs. idle) -- (actively or fully engaged or occupied; "busy with her work"; "a busy man"; "too busy to eat lunch")