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 On the new podcast episodes, Applegate assures Sigler and her audience that the podcast will continue. — Greg Evans, Deadline, 20 Oct. 2026 We are already assured of having a different World Series champion. — David Troy Outkick, FOXNews.com, 19 Oct. 2026 Officials, developers and their architects and engineers have either declined to comment or questioned the researchers’ motives while assuring the public that the buildings are safe. — Denise Hruby, Miami Herald, 19 Oct. 2026 Conrad assured me that an antiaging skin-care routine needn’t be complicated so much as sustainable—for one’s schedule and one’s skin. — Jenny Berg, Vogue, 19 Oct. 2026 See All Example Sentences for assure

Recent Examples of Synonyms for assure

Verb

Noah’s old temple is only too relieved to bring him back for a trial run, now that they’ve been reassured his life partner will soon become part of their tribe.

— Angie Han, HollywoodReporter, 22 Oct. 2026
Mayor Wade Kapszukiewicz reassured residents outside the evacuation zone that the fog was unrelated to the chemical explosion, according to The Associated Press.

— Rebekah Riess, CNN Money, 21 Oct. 2026

Definition of reassure

Verb

County officials responsible for issuing building permits have been accused of failing to conduct adequate inspections to ensure developers comply with safety guidelines and construction standards.

— Arkansas Online, Arkansas Online, 24 Oct. 2026
The Justice Department aims to send poll monitors to all 50 states in the 2026 midterms, marking an ambitious expansion of a longstanding federal initiative aimed at ensuring election integrity.

— Emily Hallas, The Washington Examiner, 24 Oct. 2026

Definition of ensure

Verb

The steady trickle of those recordings into the groundwater of influence has guaranteed the album its afterlife, both as a great lost future of American music and as a central pillar in the group’s legacy.

— Ryan Meehan, Pitchfork, 26 Oct. 2026
Her departure is not guaranteed and the talks could fall apart, the people said.

— Rohan Goswami, semafor.com, 25 Oct. 2026

Definition of guarantee

Verb

The hay sauna was a real standout—its subtly sweet scent is both soothing and restorative, said to ease inflammation and relax muscles.

— Condé Nast, Condé Nast Traveler, 22 Oct. 2026
Today’s recipe Creamy, sweet dates soothe out the lemon in these bars, while the tart lemon brightens up the dates.

— Jack Dolan, Los Angeles Times, 21 Oct. 2026

Definition of soothe

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Style

“Assure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assure. Accessed 28 Oct. 2026.

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Synonyms of assure

verb

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

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Synonyms of assure

verb

Synonym Chooser

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

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