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laborious

la·bo·ri·ous

laborious

 
pronunciation:
l bo ri s
features:
Word Parts
part of speech: adjective
definition 1: requiring considerable effort or perseverance.
Hanging wallpaper is a laborious task.
synonyms:
arduous, toilsome
antonyms:
easy, effortless
similar words:
burdensome, cumbersome, difficult, grueling, hard, stiff, strenuous, tiring, troublesome
definition 2: requiring extreme patience and care.
He wrote up the report in laborious detail.
synonyms:
painstaking
antonyms:
easy, effortless
similar words:
careful
definition 3: diligent and hard-working.
Mozart was a laborious composer whose output was vast.
synonyms:
sedulous
antonyms:
lackadaisical, lazy
similar words:
diligent, hard, indefatigable, industrious, painstaking, persevering, pertinacious, steady, zealous
derivations: laboriously (adv.), laboriousness (n.)