Assure or Ensure?

Do you know whether to choose assure or ensure? Here we discuss the key difference.

Assure

Assure is a verb that means to give someone confidence or make them feel certain. It is used when someone guarantees or promises something to another person.

Examples of Assure

I assure you (i.e. promise you) that everything will be fine.
The doctor assured me that the treatment would be effective.
He assured his parents that he would study hard.
The company assured its customers of a full refund.
She assured him that she would be on time.

Ensure

Ensure is also a verb that means to make certain or guarantee something. It is used to express the action taken to ensure that something happens or to prevent something undesirable.

Examples of Ensure

Please ensure (i.e. make certain) that all the doors are locked.
The safety measures are in place to ensure a secure environment.
We need to ensure that the project is completed on time.
The insurance policy ensures financial protection.
The regulations ensure fair competition.

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