skepticism

noun

skep·​ti·​cism ˈskep-tə-ˌsi-zəm 

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)

Synonyms of skepticism

• doubt
• suspicion
• uncertainty
• distrust

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

But skepticism about accurate forecasting remains. —Quanta Magazine, 8 May 2026

Mindful of the skepticism, Mozilla on Thursday provided a behind-the-scenes look into its use of Anthropic Mythos—an AI model for identifying software vulnerabilities—to ferret out 271 Firefox security flaws over two months. —Dan Goodin, ArsTechnica, 7 May 2026

Polis is often skeptical of bills that regulate tech companies or products, and that skepticism has butted up against Democratic lawmakers’ plans in the past. —Seth Klamann, Denver Post, 7 May 2026

But oil prices narrowly ticked up and stocks dipped on Thursday as skepticism resurfaced on the prospects for an agreement; the US and Iran reportedly traded fire in the strait again. —J.d. Capelouto, semafor.com, 7 May 2026

Word History

First Known Use

1646, in the meaning defined at sense 1

Rhymes for skepticism

• autism
• fascism
• racism
• sikhism
• statism
• sufism
• thomism
• tourism
• tropism
• abolitionism
• aldosteronism
• americanism

Kids Definition

skepticism

noun

skep·​ti·​cism ˈskep-tə-ˌsiz-əm 

: an attitude of doubt