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adjective. uk / ləˈbɔː.ri.əs / us / ləˈbɔːr.i.əs / Add to word list. needing a lot of time and effort: a laborious task. Synonyms. arduous. backbreaking. gruelling mainly UK. hard. punishing. SMART Vocabulary: related words and phrases. Complicated and difficult to do. advanced. ambitiously. another. arduous. formidable. formidably.
The meaning of LABORIOUS is involving, requiring, or characterized by hard and sustained effort : arduous. How to use laborious in a sentence.
characterized by or requiring extreme care and much attention to detail: laborious research. characterized by or exhibiting excessive effort, dullness, and lack of spontaneity; labored: labor: a strained, laborious plot. given to or diligent in work: a careful, laborious craftsman.
adjective. us / ləˈbɔːr.i.əs / uk / ləˈbɔː.ri.əs / Add to word list. needing a lot of time and effort: a laborious task. Synonyms. arduous. backbreaking. gruelling mainly UK. hard. punishing. SMART Vocabulary: related words and phrases. Complicated and difficult to do. advanced. ambitiously. another. arduous. formidable. formidably.
Laborious describes something that requires a lot of hard work, such as Victor Frankenstein’s laborious undertaking of digging graves to find monster parts.
1. requiring much work, exertion, or perseverance. a laborious undertaking. 2. characterized by or requiring extreme care and much attention to detail. laborious research. 3. characterized by or exhibiting excessive effort, dullness, and lack of spontaneity; labored. a strained, laborious plot.
adj. 1. requiring much work, exertion, or perseverance: a laborious undertaking. 2. characterized by or exhibiting excessive effort; labored. 3. industrious. [1350–1400; Middle English < Latin labōriōsus] la•bo′ri•ous•ly, adv. la•bo′ri•ous•ness, n.
