Vocabulary for IELTS (General) - Certainty and Uncertainty

Here you will learn some English words about certainty and uncertainty, such as "confusion", "inevitable", "concrete", etc. that are needed for the IELTS exam.

Review

Flashcards

Forms

Spelling

Quiz

Start learning

to bet

[Verb]

to express confidence or certainty in something happening or being the case

Ex: I bet it will rain tomorrow because the sky looks very cloudy.

certainty

[noun]

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

Ex: Her certainty in her ability to complete the marathon came from months of dedicated training.

confidence

[noun]

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

Ex: She spoke with confidence during the presentation, impressing the audience.

confusion

[noun]

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

Ex: The sudden loud noise caused confusion among the crowd.

convinced

[Adjective]

(of a person) strongly holding political or religious views

Ex: She's a convinced advocate of animal rights.

to ensure

[Verb]

to make sure that something will happen

Ex: She ensures the quality of the products before they are shipped.

definite

[Adjective]

expressed with clarity and precision, leaving no doubt as to the meaning or intention

Ex: I needed a definite answer from my boss so I could plan my work for the coming month without uncertainty.

to expect

[Verb]

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

Ex: The weather forecast led us to expect rain this weekend.

to forecast

[Verb]

to predict future events, based on analysis of present data and conditions

Ex: Economists forecast a downturn in the stock market due to recent economic indicators.

to hesitate

[Verb]

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

Ex: When asked about the promotion, Sarah hesitated before responding.

inevitable

[Adjective]

unable to be prevented

Ex: As technology advances, it becomes increasingly inevitable that automation will replace certain jobs.

probability

[noun]

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

Ex: The probability of rolling a six on a fair die is one-sixth.

somehow

[Adverb]

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

Ex: Somehow, she managed to find her way home in the dark.

to speculate

[Verb]

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

Ex: Observing the unusual behavior, scientists began to speculate about the potential causes of the phenomenon.

to suspect

[Verb]

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

Ex: I suspect he's been lying about where he was last night.

assured

[Adjective]

displaying confidence in oneself and one's capabilities

Ex: She spoke with an assured tone, confident in her ability to lead the team to success.

concrete

[Adjective]

according to facts instead of opinions

Ex: In scientific research, it is crucial to provide concrete evidence to support hypotheses and conclusions.

doubtful

[Adjective]

improbable or unlikely to happen or be the case

Ex: Given the poor weather conditions, it's doubtful that the outdoor concert will take place as scheduled.

dubious

[Adjective]

(of a person) unsure or hesitant about the credibility or goodness of something

Ex: The online reviews of the restaurant were mixed, leaving us dubious about whether to dine there.

hypothesis

[noun]

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

Ex: The scientist developed a hypothesis to explain the observed phenomena.

paradox

[noun]

a logically contradictory statement that might actually be true

Ex: It's a paradox that the more choices we have, the harder it becomes to make a decision.

tentatively

[Adverb]

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

Ex: She tentatively agreed to join the team, pending further details.

uncertainty

[noun]

a condition or situation that is unsettled, dependent on chance, or unpredictable, often causing doubt

Ex: The financial market is full of uncertainties.

undeniably

[Adverb]

in a way that is definite and cannot be rejected or questioned

Ex: The evidence was undeniably strong.

confidently

[Adverb]

in a manner that shows strong belief in one's own skills or qualities

Ex: He confidently entered the room, ready to give his presentation.

prediction

[noun]

the act of saying what one thinks is going to happen in the future or what the outcome of something will be

Ex: Her prediction about the weather was surprisingly accurate.

unlikely

[Adjective]

having a low chance of happening or being true

Ex: It's unlikely that it will rain tomorrow, as the weather forecast predicts clear skies.

a priori

[Adjective]

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

decidedly

[Adverb]

in a way that is certain and beyond any doubt

Ex: The weather was decidedly colder than the forecast suggested.

presumption

[noun]

a belief that something is true without any proof

Vocabulary for IELTS (General)
Communication	Art	Music	Literature
Movie and Theater	The Media	Argument and Agreement	Certainty and Uncertainty
Expressing an Opinion	Advice and Suggestion	Making a Decision	Sickness and Health
Cause and Effect	Success and Failure	Education	Space
Money	Business	The environment	Likes and Dislikes

Download LanGeek app