backbreaking

back-break-ing · adjective

imported

Definitions

adjective

  1. 1.

    (of physical work) Extremely hard and exhausting; requiring great effort.

  2. 2.

    Demanding great effort or endurance.

Related words

Antonyms: easy, effortless, light
See also: exhausting, grueling, laborious
Synonyms: arduous, exhausting, grueling, strenuous

Etymology

From English compound of back + breaking, suggesting work so difficult it could figuratively break one's back.