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uncertainties

NOUN

doubt, changeableness

Synonyms

STRONGEST

ambiguity ambivalence anxiety concern confusion distrust mistrust skepticism suspicion trouble uneasiness unpredictability worry

STRONG

bewilderment conjecture contingency dilemma disquiet doubtfulness dubiety guesswork hesitancy hesitation incertitude inconclusiveness indecision irresolution misgiving mystification oscillation perplexity puzzle puzzlement qualm quandary query reserve scruple vagueness wonder

WEAK

lack of confidence questionableness

Antonyms

STRONGEST

assurance belief calmness certainty clarity composure confidence contentment faith happiness peace trust

STRONG

reality solution sureness truth

WEAK

definiteness security

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Earlier measurements carried uncertainties of roughly 50 degrees Celsius, making it difficult to detect subtle changes.

From Science Daily • May 29, 2026

"Understandably, there are still many uncertainties and fears among the community in this rapidly evolving context," it said.

From BBC • May 23, 2026

Two large uncertainties have always attended the question.

From The Wall Street Journal • May 18, 2026

"There are significant uncertainties to the true number of infected persons and geographic spread," the WHO said.

From Barron's • May 17, 2026

Teller continually disturbed the peace at Los Alamos, where uncertainties about the lab’s role in postwar research already had the staff on edge.

From "Big Science" by Michael Hiltzik