Dictionary and Thesaurus

Definition of Laborious

• (a.) Requiring labor, perseverance, or sacrifices; toilsome; tiresome.
• (a.) Devoted to labor; diligent; industrious; as, a laborious mechanic.

Synonyms of Laborious

• Arduous
• Backbreaking
• Grueling
• Gruelling
• Hard
• Heavy
• Operose
• Punishing
• Toilsome

Antonyms of Laborious

Homophones of Laborious