Certainty and Doubt

to guarantee that something specific will happen

Success was now assured with the implementation of the new strategy.

to risk money on the result of a coming event by trying to predict it

Friends often bet on sports events to make watching more exciting.

to make sure that something will happen

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

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

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

to formally promise that specific conditions related to a product, service, etc. will be fulfilled

The company guarantees that the electronic devices are free from defects for one year after purchase.

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

When asked about the promotion, Sarah hesitated before responding.

used to talk about what one expects or likes to happen

He ought to arrive soon; he said he would be here by noon.

to bring back something from the memory

She could recall the details of the conversation with remarkable clarity.

used to ask advice, questions, or making suggestions using the pronoun I or we

Shall we go to the movies tonight?

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

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

used for forming future tenses

I will finish my homework before dinner.

to secure or tie together using ropes or other materials

The sailor will bind the cargo securely to the ship's deck with sturdy ropes.

(of a person) feeling confident about something being correct or true

Being sure of his memory, he recited the poem flawlessly in front of the audience.

to make someone do something using reasoning, arguments, etc.

I tried to convince my friend to join the hiking trip by highlighting the beautiful scenery and adventure it would offer.

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

The weather forecast led us to expect rain this weekend.

unable to be prevented

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

a part of one's skin covered with red spots, which is usually caused by a sickness or an allergic reaction

A rash is a change in the skin's appearance, often characterized by redness, bumps, or blisters.

displaying approval, support, or agreement

Her feedback was positive, praising the team's efforts.

having a high possibility of happening or being true based on available evidence or circumstances

With clear skies and no signs of storm, it seems probable that the outdoor event will proceed as planned.

(of a person) showing a lack of confidence and having doubts about something

She was uncertain about which job offer to accept, as both had their advantages.

not exactly known or expressed, often leading to confusion or ambiguity

It’s still unclear whether the event will be postponed due to the weather.

used to say that something is likely to happen or is true

The quality of her work was excellent, there's no doubt about it.

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

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

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

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

a state of being confused and not having a clear understanding of an action, behavior, etc.

The student's confusion was evident when he couldn't solve the math problem.

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

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

to make a person believe something untrue

He tried to deceive his friends by pretending to be a millionaire.

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

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

to devise a plan, especially a secret or dishonest one

The villain schemed to overthrow the king and seize the throne.

used usually in a response to show that something may not be true

Just because someone is wealthy doesn't necessarily mean they're happy.

used as a positive and affirming response to thanks

You bet, happy to help!

to leave a hotel after returning your room key and paying the bill

We'll check out tomorrow morning before our flight.

to fail to keep or fulfill a commitment or assurance made to someone

She went back on her promise to help with the charity event.

the likelihood or probability of something actually taking place

The odds of winning the grand prize in the raffle are one in a thousand.

in a way that is not possible to be changed

The rules of the competition are set in stone, and all participants must adhere to them.

to dispose of something by giving or selling it to someone else though persuasion or deception

He tried to palm off a fake painting as the real deal.

a light substance produced in a chemical process that can be formed into different shapes when heated

Many household items, such as containers and toys, are made from plastic.

to fail to keep a promise or commitment that was previously made

He had promised to help me with the project, but he ended up going back on his word.

a sentence, phrase, or word, used to ask for information or to test someone’s knowledge

Can I ask you a question about the homework?