SECURE Synonyms: 373 Similar and Opposite Words

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

Some common synonyms of secure are assure , ensure , and insure . While all these words mean "to make a thing or person sure," secure implies action taken to guard against attack or loss. // sent reinforcements to secure their position

Q: When can 'assure' be used instead of 'secure'?

The words assure and secure can be used in similar contexts, but 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 'secure'?

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: When is it sensible to use 'insure' instead of 'secure'?

While the synonyms insure and secure are close in meaning, insure sometimes stresses the taking of necessary measures beforehand. // careful planning should insure the success of the party

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

Some common synonyms of secure are assure , ensure , and insure . While all these words mean "to make a thing or person sure," secure implies action taken to guard against attack or loss. // sent reinforcements to secure their position

Q: When can 'assure' be used instead of 'secure'?

The words assure and secure can be used in similar contexts, but 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 'secure'?

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: When is it sensible to use 'insure' instead of 'secure'?

While the synonyms insure and secure are close in meaning, insure sometimes stresses the taking of necessary measures beforehand. // careful planning should insure the success of the party

secure 1 of 2

verb

Definition of secure next

as in to protect

to drive danger or attack away from sent troops to secure the city

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in to ensure

to make sure, certain, or safe a retirement account that will help to secure our future

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to fasten

to put securely in place or in a desired position candidates for admission are asked to secure a recent photo to their application forms

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to win

to receive as return for effort finally secured a job after sending out dozens of applications

Synonyms & Similar Words

Antonyms & Near Antonyms

secure

2 of 2

adjective

si-ˈkyu̇r

as in confident

having or showing great faith in oneself or one's abilities he's so secure about winning the marathon that he's practically spent the prize money

Synonyms & Similar Words

Antonyms & Near Antonyms

as in safe

not exposed to the threat of loss or injury the fortress was thought to be secure against attack

Synonyms & Similar Words

Antonyms & Near Antonyms

as in protecting

providing safety escaped to a secure location

Synonyms & Similar Words

Antonyms & Near Antonyms

as in reliable

worthy of one's trust a fund that should provide them with a secure income in their retirement

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How is the word secure distinct from other similar verbs?

Some common synonyms of secure are assure, ensure, and insure. While all these words mean "to make a thing or person sure," secure implies action taken to guard against attack or loss.

sent reinforcements to secure their position

When can assure be used instead of secure?

The words assure and secure can be used in similar contexts, but 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 secure?

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

When is it sensible to use insure instead of secure?

While the synonyms insure and secure are close in meaning, insure sometimes stresses the taking of necessary measures beforehand.

careful planning should insure the success of the party

How is the word secure distinct from other similar verbs?

Some common synonyms of secure are assure, ensure, and insure. While all these words mean "to make a thing or person sure," secure implies action taken to guard against attack or loss.

sent reinforcements to secure their position

When can assure be used instead of secure?

The words assure and secure can be used in similar contexts, but 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 secure?

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

When is it sensible to use insure instead of secure?

While the synonyms insure and secure are close in meaning, insure sometimes stresses the taking of necessary measures beforehand.

careful planning should insure the success of the party

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 secure

Verb

The Roseville Police Department said officers responded to secure the area around the bus yard while fire crews handled the blaze. —

Richard Ramos, CBS News, 3 Apr. 2026 Rodriguez has quickly secured the passage of a Hydrocarbons Law designed to attract foreign investment and restore oil production. —

Boris Muñoz, Time, 3 Apr. 2026

Adjective

This is an invitation to start again on the home front, whether that’s redecorating or simply creating a space that feels solid and secure. —

Valerie Mesa, PEOPLE, 1 Apr. 2026 When a service member uses Claude, the computing infrastructure that powers the model and its analysis usually goes to a secure Amazon Web Services cloud that hosts secret government data and software tools. —

Dennis Murphy, The Conversation, 1 Apr. 2026 See All Example Sentences for secure

Recent Examples of Synonyms for secure

Verb

To protect yourself, property owners can sign up for notifications about any new documents filed for their property in the city's Automated City Register Information System (ACRIS).

— Tim McNicholas, CBS News, 2 Apr. 2026
Go to the Strait and just take it, protect it.

— James Powel, USA Today, 2 Apr. 2026

Definition of protect

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seculars

secure

secured

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“Secure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/secure. Accessed 5 Apr. 2026.

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Synonyms of secure

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