Labourous

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Obsolete form of laborious. alt-of, obsolete

Synonyms

backbreaking painstaking abstruse ardent arduous arduous

Etymology

From labour + -ous.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.