uncertainty

noun

un·​cer·​tain·​ty ˌən-ˈsər-tᵊn-tē 

1

: the quality or state of being uncertain : doubt

2

: something that is uncertain

Synonyms

• distrust
• distrustfulness
• doubt
• dubiety
• dubitation [archaic]
• incertitude
• misdoubt
• misgiving
• mistrust
• mistrustfulness
• query
• reservation
• skepticism
• suspicion

Choose the Right Synonym for uncertainty

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 uncertainty in a Sentence

There is some uncertainty about the company's future.

He accepted the position without hesitation or uncertainty.

Recent Examples on the Web

But this slow and steady approach also stifles risk-taking as leaders hesitate to take big leaps, fearing failure or uncertainty. —Vibhas Ratanjee, Forbes, 10 Dec. 2024

The Republic's Debra Krol talked to tribal reps and state water officials and found a lot of uncertainty about whether the deal would make it through in time for President Joe Biden to sign it. —Shaun McKinnon, The Arizona Republic, 10 Dec. 2024

So could uncertainty regarding the future of Lebanon and Syria. —Suzanne Maloney, Foreign Affairs, 10 Dec. 2024

This difference, which cannot easily be explained by random errors or uncertainties, is the Hubble tension. —Joseph Epstein, Newsweek, 10 Dec. 2024

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing uncertainty

• Heisenberg uncertainty principle
• uncertainty principle

Kids Definition

uncertainty

noun

un·​cer·​tain·​ty ˌən-ˈsərt-ᵊn-tē 

1

: lack of certainty

2

: something that is uncertain