Synonyms of uncertainty

uncertainty

noun

ˌən-ˈsər-tᵊn-tē 

as in doubt

a feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something

uncertainty about her job prospects has her worried

Synonyms & Similar Words

• doubt
• skepticism
• suspicion
• distrust
• disbelief
• concern
• mistrust
• incertitude
• misgiving
• dubiety
• reservation
• distrustfulness
• query
• dubitation
• anxiety
• misdoubt
• mistrustfulness
• incredulity
• paranoia
• unbelief
• wariness
• tremor
• qualm
• compunction
• scruple
• niggle

Antonyms & Near Antonyms

• confidence
• belief
• trust
• certainty
• conviction
• assurance
• surety
• faith
• certitude
• sureness
• credence

Synonym Chooser

How does the noun uncertainty differ from other similar words?

Some common synonyms of uncertainty are doubt, dubiety, mistrust, skepticism, and suspicion. While all these words 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

When could doubt be used to replace uncertainty?

The words doubt and uncertainty are synonyms, but do differ in nuance. Specifically, doubt suggests both uncertainty and inability to make a decision.

plagued by doubts as to what to do

Where would dubiety be a reasonable alternative to uncertainty?

Although the words dubiety and uncertainty have much in common, dubiety stresses a wavering between conclusions.

felt some dubiety about its practicality

When might mistrust be a better fit than uncertainty?

While in some cases nearly identical to uncertainty, mistrust implies a genuine doubt based upon suspicion.

had a great mistrust of doctors

When would skepticism be a good substitute for uncertainty?

While the synonyms skepticism and uncertainty are close in meaning, skepticism implies unwillingness to believe without conclusive evidence.

an economic forecast greeted with skepticism

In what contexts can suspicion take the place of uncertainty?

The synonyms suspicion and uncertainty are sometimes interchangeable, but suspicion stresses lack of faith in the truth, reality, fairness, or reliability of something or someone.

regarded the stranger with suspicion

Example Sentences

Recent Examples of uncertainty

Students seeking majors that teach ‘human’ skills The uncertainty appears most concentrated among those pursuing degrees in technology and vocational areas of study, where students feel a need to develop expertise in AI but also fear being replaced by it. —Jocelyn Gecker, Fortune, 27 Apr. 2026

Sadly, the Iranian conflict increased mortgage rates and economic uncertainty – two more hurdles for any house hunter. —Jonathan Lansner, Oc Register, 27 Apr. 2026

While the parks can expect heavy traffic, a drop in international tourism and the rise in gas prices has injected additional uncertainty into the tourism industry this year. —Justine McDaniel, Los Angeles Times, 26 Apr. 2026

Others found the home to be a safe space amidst a sea of uncertainty. —Sam Gillette, PEOPLE, 26 Apr. 2026