ASSURE Synonyms: 60 Similar and Opposite Words

Q: How is the word 'assure' distinct from other similar verbs?

Some common synonyms of assure are ensure , insure , and secure . While all these words mean "to make a thing or person sure," assure distinctively implies the removal of doubt and suspense from a person's mind. // I assure you that no harm will be done

Q: How does the word 'ensure' relate to other synonyms for 'assure'?

Ensure , insure , and assure are interchangeable in many contexts where they indicate the making certain or inevitable of an outcome, but ensure may imply a virtual guarantee. // the government has ensured the safety of the refugees

Q: Where would 'insure' be a reasonable alternative to 'assure'?

The synonyms insure and assure are sometimes interchangeable, but insure sometimes stresses the taking of necessary measures beforehand. // careful planning should insure the success of the party

Q: In what contexts can 'secure' take the place of 'assure'?

In some situations, the words secure and assure are roughly equivalent. However, secure implies action taken to guard against attack or loss. // sent reinforcements to secure their position

assure

verb

ə-ˈshu̇r

Definition of assure

as in to reassure

to ease the grief or distress of a minister choosing just the right words to assure the grieving parents of the fallen soldier

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in to ensure

to make sure, certain, or safe security measures that assured our safety

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How is the word assure distinct from other similar verbs?

Some common synonyms of assure are ensure, insure, and secure. While all these words mean "to make a thing or person sure," assure distinctively implies the removal of doubt and suspense from a person's mind.

I assure you that no harm will be done

How does the word ensure relate to other synonyms for assure?

Ensure, insure, and assure are interchangeable in many contexts where they indicate the making certain or inevitable of an outcome, but ensure may imply a virtual guarantee.

the government has ensured the safety of the refugees

Where would insure be a reasonable alternative to assure?

The synonyms insure and assure are sometimes interchangeable, but insure sometimes stresses the taking of necessary measures beforehand.

careful planning should insure the success of the party

In what contexts can secure take the place of assure?

In some situations, the words secure and assure are roughly equivalent. However, secure implies action taken to guard against attack or loss.

sent reinforcements to secure their position

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of assure The lawsuit claims Lee was repeatedly assured that the first demotion would be temporary and her original position would be available to her the following season. — Jason Anderson, Sacbee.com, 21 Aug. 2026 These ideas reveal our true identity, quiet fear, bring healing, and assure us of Love’s ever-present care for all. — The Christian Science Monitor, Christian Science Monitor, 21 Aug. 2026 The inaugural episode discussed the odds that Hillary Clinton might win in a landslide, which was possible, given the state of the polls, though not assured. — Jon Allsop, New Yorker, 20 Aug. 2026 The industry’s promises AI companies are acutely aware of the souring views toward data centers, and several have made pledges to try and assure Americans that their buildouts will benefit the country. — Ashley Capoot,garrett Downs, CNBC, 20 Aug. 2026 See All Example Sentences for assure

Recent Examples of Synonyms for assure

Verb

History suggests that anxious allies who are not reassured by their more powerful patron will invest in their own defense.

— JENNIFER KAVANAGH, Foreign Affairs, 28 Aug. 2026
Comments from the new Fed chair appeared to reassure Wall Street that fighting inflation remains the priority for the central bank.

— Christopher Rugaber, Fortune, 28 Aug. 2026

Definition of reassure

Verb

Place a clear plastic bag over the pot, ensuring that the plastic isn’t touching the plant (use chopsticks to help elevate the bag if necessary).

— Alexandra Jones, The Spruce, 30 Aug. 2026
This thoughtful evolution ensures this year’s NBC ceremony and future broadcasts remain deeply engaging and tailored to the television audience.

— Joe Reid, Vulture, 29 Aug. 2026

Definition of ensure

Verb

However, this is standard practice, and a hard credit inquiry is necessary for verification purposes and to guarantee your mortgage interest rate.

— Dan Simms, USA Today, 30 Aug. 2026
If a vested veteran - a player with four or more years of NFL experience - is on the active, or inactive roster for the first game of the season their entire contract becomes guaranteed.

— Omar Kelly, Miami Herald, 29 Aug. 2026

Definition of guarantee

Verb

There might be a best practice emerging with general rules to live by, but the exact products and ingredients that trigger or soothe your skin will be highly individualized.

— Bella Webb, Vogue, 28 Aug. 2026
And many people feel a teaspoon of honey or perhaps tea with honey can soothe a scratchy throat.

— Sheah Rarback, Miami Herald, 28 Aug. 2026

Definition of soothe

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“Assure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assure. Accessed 2 Sep. 2026.

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Synonyms of assure

verb

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Synonyms of assure

verb

Synonym Chooser

Example Sentences

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Articles Related to assure

'Insure' vs. 'Ensure' vs. 'Assure'

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