uncertainty
/ʌn'sə:tnti/
Definition
- Noun:
- The state of being unsure of something; a lack of certainty or conviction: This refers to a mental state of doubt, indecision, or lack of complete knowledge about a fact, outcome, or truth.
- The quality of being unsettled, doubtful, or dependent on chance: This refers to the inherent unpredictability or instability of a situation, condition, or event.
Examples of Usage
- Noun:
- There is considerable uncertainty about the company's future. (There is a significant lack of surety regarding what will happen to the company.)
- The uncertainty of the weather made planning the picnic difficult. (The unpredictable nature of the weather created a challenge for planning.)
- He expressed uncertainty about which path to choose. (He voiced his doubt and lack of a definite decision regarding the choice.)
Advanced Usage
- "Uncertainty principle": A fundamental concept in quantum physics stating that the position and the velocity of an object cannot both be measured exactly, at the same time.
- The Heisenberg uncertainty principle is a cornerstone of modern physics.
- "To live with uncertainty": To accept and continue one's life despite not knowing what will happen.
- After the diagnosis, the family had to learn to live with uncertainty.
Variants and Related Words
- Uncertain (adj): Not able to be relied on; not known or definite.
- The outcome of the election is still uncertain.
- Uncertainly (adv): In a way that shows a lack of sureness or confidence.
- She answered the question uncertainly.
Synonyms
- Doubt: A feeling of uncertainty or lack of conviction.
- Indecision: The inability to make a decision quickly.
- Ambiguity: The quality of being open to more than one interpretation; inexactness.
- Unpredictability: The inability to be foreseen or known beforehand.
Antonyms
- Certainty: Firm conviction that something is the case.
- Confidence: The feeling or belief that one can rely on someone or something; firm trust.
- Surety: The state of being sure or certain.
Related Phrases
- A period of uncertainty: A time when things are not clear or decided.
- The economy is going through a period of uncertainty.
- To remove uncertainty: To eliminate doubt or make something clear.
- The new data helped to remove some of the uncertainty surrounding the project.
Noun
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the state of being unsure of something
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being unsettled or in doubt or dependent on chance
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the uncertainty of the outcome
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the precariousness of his income
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