English Reference
noun · verb

labor

n. · v.
US /ˈɫeɪbɝ/ UK /lˈeɪbɐ/ la·bor UK spelling labored, Labors, labour

  1. 01 B2 Upper Intermediate American English

    n.hard physical or mental work.

    n.physical or mental exertion, especially when difficult or compulsory.

    Simple

    Building the stone wall required months of heavy labor in the sun.

    In context

    The restoration of the cathedral was a true labor of love, involving hundreds of volunteers who dedicated their weekends to the project.

  2. 02 B2 Upper Intermediate American English

    n.workers looked at as a group, especially those who do physical work.

    n.workers collectively, often in contrast to management or capital.

    Simple

    The company is trying to reduce its labor costs by using more machines.

    In context

    The tension between organized labor and the corporate board led to a series of strikes that paralyzed the manufacturing sector for weeks.

  3. 03 B2 Upper Intermediate American English Medicine

    n.the period of time and the process of giving birth to a baby.

    n.the process of childbirth, specifically the period from the onset of uterine contractions to the expulsion of the fetus.

    Simple

    She was in labor for twelve hours before the baby was finally born.

    In context

    Medical staff monitored the patient closely throughout the final stages of labor to ensure there were no complications for the infant.

  4. 04 B2 Upper Intermediate American English

    v.to work very hard at a difficult task.

    v.to exert oneself physically or mentally; to work strenuously.

    Simple

    The farmers labored in the fields from dawn until dusk.

    In context

    The researchers labored for years under difficult conditions before they finally achieved a breakthrough in the treatment of the disease.

  5. 05 C1 Advanced American EnglishFormal

    v.to move or breathe with a lot of effort.

    v.to proceed or function with great effort or difficulty.

    Simple

    The old truck labored up the steep hill, making a loud noise.

    In context

    The engine labored under the immense weight of the cargo, eventually stalling just as the convoy reached the mountain pass.

Usage labor unions · skilled labour

More than half, 53.8 percent, were intrapartum stillbirths, meaning the babies died during labour.

Al Jazeera· 14 Aug 2026

I had quick labours and one of my children had the cord around his neck.

The Guardian· 16 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Common
Updated