What does "hard labor" mean?

Forced servitude in the form of physically difficult labor, usually as a penal punishment.

Hard labor

Common synonyms include: arduousness, backbreaking work, burdensomeness, confinement, dismemberment, effortfulness.

noun

noun ·Rare ·Advanced level

Noun

1
Forced servitude in the form of physically difficult labor, usually as a penal punishment. uncountable