skepticism

noun

skep·​ti·​cism ˈskep-tə-ˌsi-zəm How to pronounce skepticism (audio)
Synonyms of skepticismnext
1
: an attitude of doubt or a disposition to incredulity either in general or toward a particular object
2
a
: the doctrine that true knowledge or knowledge in a particular area is uncertain
b
: the method of suspended judgment, systematic doubt, or criticism characteristic of skeptics
3
: doubt concerning basic religious principles (such as immortality, providence, and revelation)
Choose the Right Synonym for skepticism

uncertainty, doubt, dubiety, skepticism, suspicion, mistrust mean lack of sureness about someone or something.

uncertainty may range from a falling short of certainty to an almost complete lack of conviction or knowledge especially about an outcome or result.

assumed the role of manager without hesitation or uncertainty

doubt suggests both uncertainty and inability to make a decision.

plagued by doubts as to what to do

dubiety stresses a wavering between conclusions.

felt some dubiety about its practicality

skepticism implies unwillingness to believe without conclusive evidence.

an economic forecast greeted with skepticism

suspicion stresses lack of faith in the truth, reality, fairness, or reliability of something or someone.

regarded the stranger with suspicion

mistrust implies a genuine doubt based upon suspicion.

had a great mistrust of doctors

Examples of skepticism in a Sentence

She regarded the researcher's claims with skepticism. It's good to maintain a healthy skepticism about fad diets.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
European and Ukrainian reactions ranged from cautious engagement to outright skepticism. Daniel Ross Goodman, The Washington Examiner, 9 Jan. 2026 However, some legal experts and investors are anticipating a partial or full refutation of the president’s IEEPA tariffs, as the justices showed skepticism during arguments about the president’s authority to levy such taxes without Congressional approval. Jake Angelo, Fortune, 8 Jan. 2026 Main Street hopes to keep the FanDuel networks on the air through at least the end of the NBA season, but one team official said there’s skepticism about that. Barry Jackson, Miami Herald, 8 Jan. 2026 Still, specifics remain elusive — and any legislation would face long odds in Congress, where members on both sides of the aisle have expressed skepticism. Eleanor Mueller, semafor.com, 7 Jan. 2026 See All Example Sentences for skepticism

Word History

First Known Use

1646, in the meaning defined at sense 1

Time Traveler
The first known use of skepticism was in 1646

Browse Nearby Words

Cite this Entry

“Skepticism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/skepticism. Accessed 10 Jan. 2026.

Kids Definition

skepticism

noun
skep·​ti·​cism ˈskep-tə-ˌsiz-əm How to pronounce skepticism (audio)
: an attitude of doubt

More from Merriam-Webster on skepticism

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!