having scruples, or moral or ethical standards; having or showing a strict regard for what one considers right; principled: scrupulous about defending human rights.
punctiliously or minutely careful, precise, or exact: a scrupulous attention to detail in their performance.

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 for scrupulous

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 for scrupulous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for scrupulous

Contemporary Examples of scrupulous

Historical Examples of scrupulous

British Dictionary definitions for scrupulous



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

Word Origin for scrupulous

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

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

Online Etymology Dictionary, © 2010 Douglas Harper