Laboring

La·bor·ing

Laboring

a.
  1. That labors; performing labor; esp., performing coarse, heavy work, not requiring skill also, set apart for labor; as, laboring days.
    The sleep of a laboring man is sweet.
    — Eccl. v. 12.
  2. Suffering pain or grief.

Phrases & Compounds

Laboring oar
the oar which requires most strength and exertion; often used figuratively; as, to have, or pull, the laboring oar in some difficult undertaking.