assure
B2Pronunciation
UK
- /əʃjˈɔː/
US
- /əˈʃʊr/
Description
- promise
- guarantee
- convince
- reassure
To assure someone is to tell them something confidently in order to remove their doubts or fears. It's stronger than simply telling—it's about offering a firm promise or guarantee. You might assure a friend that everything will be all right, or a customer that a product is of high quality.
Think of it like building a bridge of trust with your words. If you assure someone of something, you're not just saying it; you're taking responsibility for its truthfulness. It differs from "ensure," which means to make certain something happens. For example: "I will assure him of my support" (a promise) versus "I will ensure the project is completed on time" (making it happen).
The word assure means to tell someone something confidently to dispel any doubts they may have. It's a powerful verb that carries weight, implying a level of certainty and commitment. For example: "The doctor assured her that the surgery was routine," or "I assured my boss I would meet the deadline."
Unlike simply telling someone something, to assure them is to actively alleviate their worries or anxieties. It's about providing comfort and confidence through your words. You might assure a child that there are no monsters under the bed, or assure a nervous speaker that they'll do well on stage.
It's important to note the subtle difference between assure, ensure, and insure. While all relate to making something certain, assure focuses on relieving someone's fears by telling them something is true. Ensure means to make sure something happens (like taking steps to guarantee a result), and insure relates specifically to financial protection.
So, when you want to offer a firm promise, remove doubt, or provide comfort with your words—you assure. It's about building trust through confident communication and offering a sense of security.
Examples
- 1
Classroom
The teacher assured the class that the test would be short.
- 2
Safe arrival
She called home to assure her parents that she had arrived safely.
- 3
Strong confirmation
I can assure you that we checked every detail.
Phrase
I can assure you
a strong way to say something is definitely true
- 4
Support promise
He assured me of his full support before the meeting.
Pattern
assure someone of + support/result
tell them firmly that they can expect it
- 5
Privacy notice
Please be assured that your information will be kept private.
Usage
be assured that
a formal way to say you can feel certain
- 6
Sports result
Victory tonight would assure the team a place in the final.
Pattern
assure someone + result
make that result certain for them
- 7
Reassurance
Rest assured, we'll let you know as soon as we have an answer.
Phrase
rest assured
don't worry; feel confident about it
Forms and spellings
4 forms open this card.
Main spelling
- assureverb
Forms
- assuredpast tenseverb
- assuresverb
- assuring-ing formverb