SUFFICIENT Synonyms: 86 Similar and Opposite Words

Q: How does the adjective 'sufficient' contrast with its synonyms?

Some common synonyms of sufficient are adequate , competent , and enough . While all these words mean "being what is necessary or desirable," sufficient suggests a close meeting of a need. // sufficient savings

Q: When might 'adequate' be a better fit than 'sufficient'?

The synonyms adequate and sufficient are sometimes interchangeable, but adequate may imply barely meeting a requirement. // the service was adequate

Q: Where would 'competent' be a reasonable alternative to 'sufficient'?

Although the words competent and sufficient have much in common, competent suggests measuring up to all requirements without question or being adequately adapted to an end. // had no competent notion of what was going on

Q: How are the words 'enough' and 'sufficient' related?

Enough is less exact in suggestion than sufficient . // do you have enough food?

sufficient

adjective

Definition of sufficient

as in adequate

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How does the adjective sufficient contrast with its synonyms?

Some common synonyms of sufficient are adequate, competent, and enough. While all these words mean "being what is necessary or desirable," sufficient suggests a close meeting of a need.

sufficient savings

When might adequate be a better fit than sufficient?

The synonyms adequate and sufficient are sometimes interchangeable, but adequate may imply barely meeting a requirement.

the service was adequate

Where would competent be a reasonable alternative to sufficient?

Although the words competent and sufficient have much in common, competent suggests measuring up to all requirements without question or being adequately adapted to an end.

had no competent notion of what was going on

How are the words enough and sufficient related?

Enough is less exact in suggestion than sufficient.

do you have enough food?

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 sufficient In a hushed environment, the buds' passive isolation is often sufficient. — Mark Knapp, PC Magazine, 7 Aug. 2026 Wild Inside presents interviews with owl researchers that highlight the birds’ intelligence and heightened senses, voicing their questions about what sufficient captive care would even look like. — Emma Gometz, Scientific American, 7 Aug. 2026 The study identified 204 cases in all, but two did not have sufficient data to be included in the analysis. — Beth Mole, ArsTechnica, 7 Aug. 2026 Bee colonies continually fan their hives to regulate temperature, lower humidity and ensure sufficient oxygen levels. — Stephen Underwood, Hartford Courant, 6 Aug. 2026 See All Example Sentences for sufficient

Recent Examples of Synonyms for sufficient

Adjective

New regulations required flameproof tents, safety training, and adequate available fire extinguishers.

— Dr. Marianne Parshley, Hartford Courant, 10 Aug. 2026
Since students won’t come to campus in adequate numbers, sell the physical campus, dorms and recreational facilities.

— Jim Nowlan, Chicago Tribune, 9 Aug. 2026

Definition of adequate

Adjective

Therefore, Tunick remains presumed innocent unless prosecutors prove the charge beyond a reasonable doubt.

— Kurt Knutsson, FOXNews.com, 9 Aug. 2026
Since the State could not disprove the justification defense beyond a reasonable doubt, the evidence resulted in the decision that no criminal charges would be filed against the fast-food employees.

— Desiree Anello, PEOPLE, 9 Aug. 2026

Definition of reasonable

Adjective

While not risk-free, researchers consider dronabinol an acceptable treatment option for nightmares in people with PTSD.

— Dario Sabaghi, Forbes.com, 7 Aug. 2026
Instead, there’s a range of percentages—called the acceptable macronutrient distribution range—recommended for each individual macronutrient.

— Jillian Kubala, HEALTH, 7 Aug. 2026

Definition of acceptable

Adjective

Employees may have to explain context that the agent should already have or fail to provide it at all, which can potentially result in tasks being performed to less-than-satisfactory expectations.

— William Jones, USA Today, 3 Aug. 2026
While the result is not fully satisfactory, Khun Tharo, program manager at CENTRAL, said the organization respects the workers’ decision.

— Jasmin Malik Chua, Footwear News, 31 July 2026

Definition of satisfactory

Adjective

One Night Only is probably trying to be hopeful and sweet in its suggestion that love can make any nightmarish circumstances tolerable.

— Roxana Hadadi, Vulture, 7 Aug. 2026
Tuesday brings the nicest weather of the week in the Philadelphia region with seasonable temperatures, tolerable humidity and sunshine.

— Bill Kelly, CBS News, 4 Aug. 2026

Definition of tolerable

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“Sufficient.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sufficient. Accessed 13 Aug. 2026.

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Synonyms of sufficient

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