MAINTAINABILITIES 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 Some are a bit dubious, maintaining that at-home red light therapy tools in general provide more of a placebo effect than actual, measurable results. —

Jenny Berg, Vogue, 31 Mar. 2026 That’s the only way to build and maintain trust in a team, regardless of the results on the court. —

Julia Poe, Chicago Tribune, 31 Mar. 2026 This could lead to more durable designs that maintain performance over longer periods. —

Neetika Walter, Interesting Engineering, 31 Mar. 2026 The Indiana Finance Authority, a state group that funds state and local projects, controls two low-interest loan programs to help cities and towns build and maintain water projects, the State Revolving Fund and the Water Infrastructure Assistance Fund. —

Karl Schneider, IndyStar, 31 Mar. 2026 See All Example Sentences for maintain

Recent Examples of Synonyms for maintain

Verb

More elderly people could find themselves at the mercy of an obscure government program meant to save them from harm and preserve their dignity when their ability to take care of themselves is diminished.

— Miami Herald, Miami Herald, 2 Apr. 2026
The detective requested that Facebook, Instagram, and TikTok preserve her accounts.

— Amelia Mugavero, CBS News, 1 Apr. 2026