MAINTAIN Synonyms: 137 Similar and Opposite Words

Q: How does the verb 'maintain' differ from other similar words?

Some common synonyms of maintain are assert , defend , justify , and vindicate . While all these words mean "to uphold as true, right, just, or reasonable," maintain stresses firmness of conviction. // steadfastly maintained his innocence

Q: When would 'assert' be a good substitute for 'maintain'?

Although the words assert and maintain have much in common, assert suggests determination to make others accept one's claim. // asserted her rights

Q: When could 'defend' be used to replace 'maintain'?

In some situations, the words defend and maintain are roughly equivalent. However, defend implies maintaining in the face of attack or criticism. // defended his voting record

Q: When is it sensible to use 'justify' instead of 'maintain'?

The words justify and maintain can be used in similar contexts, but justify implies showing to be true, just, or valid by appeal to a standard or to precedent. // the action was used to justify military intervention

Q: In what contexts can 'vindicate' take the place of 'maintain'?

The meanings of vindicate and maintain largely overlap; however, vindicate implies successfully defending. // his success vindicated our faith in him

maintain

verb

mān-ˈtān

Definition of maintain next

as in to preserve

to keep in good condition he repairs and maintains antique cars as a hobby

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Antonyms & Near Antonyms

as in to defend

to continue to declare to be true or proper despite opposition or objections part of debating is learning to maintain your position in the face of harsh challenges

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as in to keep

to pay the living expenses of we simply cannot afford to maintain a horse

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as in to argue

to state (something) as a reason in support of or against something under consideration she continued to maintain that a sewing machine would end up paying for itself since she could make her own clothes

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as in to insist

to state as a fact usually forcefully he maintains that there is indeed hard evidence for extraterrestrial visitors

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Synonym Chooser

How does the verb maintain differ from other similar words?

Some common synonyms of maintain are assert, defend, justify, and vindicate. While all these words mean "to uphold as true, right, just, or reasonable," maintain stresses firmness of conviction.

steadfastly maintained his innocence

When would assert be a good substitute for maintain?

Although the words assert and maintain have much in common, assert suggests determination to make others accept one's claim.

asserted her rights

When could defend be used to replace maintain?

In some situations, the words defend and maintain are roughly equivalent. However, defend implies maintaining in the face of attack or criticism.

defended his voting record

When is it sensible to use justify instead of maintain?

The words justify and maintain can be used in similar contexts, but justify implies showing to be true, just, or valid by appeal to a standard or to precedent.

the action was used to justify military intervention

In what contexts can vindicate take the place of maintain?

The meanings of vindicate and maintain largely overlap; however, vindicate implies successfully defending.

his success vindicated our faith in him

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 maintain This year, Tennenbaum and his colleagues in Pitkin County will be drafting an operating plan and fee structure that aims to balance the cost of managing the area with maintaining accessibility for the public. —

Tiney Ricciardi, Denver Post, 19 May 2026 Atlas then receives rewards for maintaining balance, grip stability, and successful task completion while exposed to disturbances. —

Jijo Malayil, Interesting Engineering, 19 May 2026 The village is meant to give people facing chronic homelessness a real shot at maintaining stable housing and building a new life. —

Sofi Zeman may 19, Kansas City Star, 19 May 2026 By maintaining context across interactions and transforming logistics into new discovery moments, the company said Sibbi aims to close the costly gap between acquisition and retention. —

Arthur Zaczkiewicz, Footwear News, 19 May 2026 See All Example Sentences for maintain

Recent Examples of Synonyms for maintain

Verb

In 2017, detectives used DNA samples preserved from Walls' body and the area in which she was found to create an image of a person of interest, according to The Virginian-Pilot.

— Ingrid Vasquez, PEOPLE, 20 May 2026
Best Day brews its beers traditionally through full fermentation, then removes the alcohol using a low-temperature process designed to preserve aroma and body.

— Hudson Lindenberger, Forbes.com, 20 May 2026