Certainty and Uncertainty

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16 min
Vocabulary for IELTS (General) - Lesson 8

Vocabulary for IELTS (General)
to betverb

to be sure about something or to think that something is very likely

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certaintynoun

the state of being sure about something, usually when there is proof

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confidencenoun

the belief in one's own ability to achieve goals and get desired results

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confusionnoun

a state of disorder in which people panic and do not know what to do

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convincedadjective

strongly holding political or religious views

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to ensureverb

to make sure that something will happen

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definiteadjective

fixed, clear and obvious

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to expectverb

to think or believe that it is possible for something to happen or for someone to do something

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to forecastverb

to predict the coming events, based on the existing information

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to hesitateverb

to pause before saying or doing something because of uncertainty or nervousness

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inevitableadjective

bound to happen in a way that is impossible to avoid or prevent

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probabilitynoun

(mathematics) a number representing the chances of something specific happening

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somehowadverb

in a way or by some method that is not known or certain

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to speculateverb

to form a theory or opinion about a subject without knowing all the facts

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to suspectverb

to think that something is probably true, especially something bad, without having proof

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assuredadjective

displaying confidence in oneself and one's capabilities

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concreteadjective

according to facts instead of opinions

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doubtfuladjective

improbable or unlikely to happen or be the case

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dubiousadjective

(of a person) unsure of the credibility of something; uncertain whether or not something is good

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hypothesisnoun

an explanation based on limited facts and evidence that is not yet proved to be true

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paradoxnoun

a seemingly contradictory or absurd statement, which may be proven to be true

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tentativelyadverb

in a way that is not certain or definite and might be changed later

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uncertaintynoun

something about which one cannot be certain; a situation that causes one to feel unsure

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undeniablyadverb

in a way that is definite and cannot be disputed

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confidentlyadverb

in a way that shows confidence and trust in oneself or another person's abilities, plans, etc.

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predictionnoun

the act of predicting something

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unlikelyadjective

not probable to happen or be true

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a prioriadjective

using the previous knowledge, reasoning, or general facts to decide the likely result of something

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decidedlyadverb

in a way that is certain and beyond any doubt

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presumptionnoun

a belief that something is true without any proof

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