governed by conscience; controlled by or done according to one's inner sense of what is right; principled: She's a conscientious judge, who does not let personal prejudices influence her decisions.
careful and painstaking; particular; meticulous; scrupulous: conscientious application to the work at hand.
- con·sci·en·tious·ly, adverb
- con·sci·en·tious·ness, noun
- hy·per·con·sci·en·tious, adjective
- hy·per·con·sci·en·tious·ly, adverb
- hy·per·con·sci·en·tious·ness, noun
- o·ver·con·sci·en·tious, adjective
- o·ver·con·sci·en·tious·ly, adverb
- un·con·sci·en·tious, adjective
- un·con·sci·en·tious·ly, adverb
- un·con·sci·en·tious·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use conscientious in a sentence
You sound conscientious enough and self-aware enough that I’m guessing you feel a lot of guilt.
It’s what people who are really effective and creative and self-regulating and conscientious do.Nap time is the new coffee break. Here’s how to make the most of it. | Galadriel Watson | February 1, 2021 | Washington Post
While studies have shown that it’s more important to focus on clean hands than disinfecting your counters and doorknobs to avoid covid-19, you still need to be conscientious about cleaning.As stay-at-home restrictions rise, here are ways to cope | Washington Post Staff, Elizabeth Chang, Mari-Jane Williams, Becky Krystal, Kendra Nichols, Caitlin Moore, Stephanie Merry, Missy Rosenberg, Katherine Lee | December 2, 2020 | Washington Post
The immunization requirement originally exempted people with medical reasons, people who submitted a conscientious objection to immunization, and members of the Church of Christ, Scientist.A Prime Minister said a COVID-19 vaccine might be mandatory. Hours later, he backtracked | Naomi Xu Elegant | August 20, 2020 | Fortune
Suppose my hotel “conscientiously objects” to hosting a gay couple.Do LGBTs Owe Christians an Olive Branch? Try The Other Way Around | Jay Michaelson | December 14, 2014 | THE DAILY BEAST
A few additional authors have conscientiously penned the wars as researched or imagined or mythologized—but not as lived.
Or vaccinations (although there are individuals who conscientiously object to those as well).
Since then he has kept his organization alive and tended conscientiously to the needs of New Hampshire Republicans.
Oh, certainly Monsieur would take these, and anything else which Madame could conscientiously recommend.Rosemary in Search of a Father | C. N. Williamson
Governor Spotswood also was a most able diplomat with the Indians, and he tried conscientiously to help them get better educated.Hallowed Heritage: The Life of Virginia | Dorothy M. Torpey
The millions in the world who conscientiously disclaim the supremacy of the Pope, at least openly avow it.The Philippine Islands | John Foreman
One thing we do know, that he left the Colonization Society, because he could not conscientiously subscribe to its measures.
The worthy Germans, who think everything excellent that does not emanate from themselves, copy this custom most conscientiously.A Woman's Journey Round the World | Ida Pfeiffer
British Dictionary definitions for conscientious
involving or taking great care; painstaking; diligent
governed by or done according to conscience
- conscientiously, adverb
- conscientiousness, noun
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