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scrupulous

[skroo-pyuh-luh s]
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adjective
  1. having scruples, or moral or ethical standards; having or showing a strict regard for what one considers right; principled: scrupulous about defending human rights.
  2. punctiliously or minutely careful, precise, or exact: a scrupulous attention to detail in their performance.
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Origin of scrupulous

First recorded in 1400–50; late Middle English word from Latin word scrūpulōsus. See scruple, -ous
Related formsscru·pu·los·i·ty [skroo-pyuh-los-i-tee] /ˌskru pyəˈlɒs ɪ ti/, scru·pu·lous·ness, nounscru·pu·lous·ly, adverbhy·per·scru·pu·los·i·ty, nounhy·per·scru·pu·lous, adjectivehy·per·scru·pu·lous·ly, adverbhy·per·scru·pu·lous·ness, nounun·der·scru·pu·lous, adjectiveun·der·scru·pu·lous·ly, adverb

Synonyms

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1. conscientious, cautious, careful, circumspect. 2. exacting, rigorous. Scrupulous, punctilious imply abiding exactly by rules. Scrupulous implies conscientious carefulness in attending to details: scrupulous attention to details. Punctilious suggests strictness, preciseness, and rigidity, especially in observance of social conventions.

Antonyms

2. careless.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for scrupulous

scrupulous

adjective
  1. characterized by careful observation of what is morally right
  2. very careful or precise
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Derived Formsscrupulously, adverbscrupulousness, noun

Word Origin

C15: from Latin scrūpulōsus punctilious
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for scrupulous

adj.

mid-15c., from Anglo-French scrupulus, Middle French scrupuleux, or directly from Latin scrupulosus, from scrupulus (see scruple). Related: Scrupulously; scrupulousness.

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Online Etymology Dictionary, © 2010 Douglas Harper