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

1 sense of toil

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")

Antonyms of adj toiling

1 sense of toiling

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 toiling

1 sense of toiling

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")