Insure, ensure, and assure are related verbs with different meanings.
Insure means “protect against loss, damage, or injury” or “provide or obtain insurance on.”
Ensure means “make certain that something will occur.”
Assure means “convince” or “give confidence to.”
Examples: Insure in a sentence
Examples: Ensure in a sentence
Example: Assure in a sentence
If you don’t
insure your car, you can’t drive it! Another touchdown will
ensure victory. I
assure you that I’ll be on my best behavior.
Rafi plans to
insure his house. To
ensure her safety, Mia practices self- defense. Can you
assure me that the vault is secure?
What does insure mean?
Insure is a regular verb used to refer to the act of obtaining or providing insurance (i.e., arranged financial compensation in case of loss, damage, or injury). It’s used whether you’re referring to the company providing the insurance or the individual buying it.
Examples: How to use insureDana wants to insure her bike.
Although Kevin had
insured the painting, the insurance company wouldn’t honor the claim.
insuring your pet is a wise decision. What does ensure mean?
Ensure is a regular verb meaning “guarantee” or “make certain that something will occur.”
Examples: How to use ensureYou must ensure that you have a current passport before traveling abroad.
Before leaving for work, Martin
ensured that he had his phone.
Emma set her alarm for 6 a.m.,
ensuring she wouldn’t sleep in. What does assure mean?
Assure is a regular verb meaning “assuage the doubts of” or “convince.” It’s typically used before a pronoun or the name of a person.
Examples: How to use assureI assure you I didn’t mean any offense.
assured Liam that the value of the car would only increase.
assuring him, but he wouldn’t believe me.
NoteIn the UK, the noun “assurance” can be used to refer to a specific type of insurance (e.g., “Dave pays a low premium on his life assurance policy”). Worksheet: Ensure vs. insure vs. assure
You can test your understanding of the difference between “ensure,” “insure,” and “assure” with the worksheet below. Fill in either “ensure,” “insure,” or “assure” in each sentence.
I never _______ my luggage before traveling.
Not watching TV before bed will _______ you sleep better.
Let me _______ you that you performed well.
If you _______ your house, you will _______ that you receive financial compensation in case of damage.
Can you _______ this won’t happen again? I want you to _______ me.
insure my luggage before traveling.
“Insure” is a
verb used to refer to the act of obtaining or providing insurance.
Not watching TV before bed will
ensure you sleep better.
“Ensure” is a verb meaning “make certain” or “guarantee.”
assure you that you performed well.
“Assure” is a verb meaning “convince” or “assuage the doubts of.” It’s typically used before a
pronoun or the name of a person.
insure your house, you will ensure that you receive financial compensation in case of damage.
“Insure” refers to the act of obtaining insurance. “Ensure” refers to the act of making certain something occurs.
ensure this won’t happen again? I want you to assure me.
In the first instance, “ensure” (meaning “make certain”) is correct. In the second instance, “assure” (meaning “convince”) is correct.
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commonly confused words, definitions, and differences between US and UK spellings, make sure to check out some of our other language articles with explanations, examples, and quizzes
Frequently asked questions
What does “rest assured” mean?
Rest assured is an expression meaning “you can be certain” (e.g., “Rest assured, I will find your cat”). “Assured” is the adjectival form of the verb , meaning “convince” or “persuade.” assure
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