1
a
: enough to meet the needs of a situation or a proposed end
sufficient provisions for a month
b
2
archaic : qualified, competent
sufficiently adverb
Choose the Right Synonym for sufficient

sufficient, enough, adequate, competent mean being what is necessary or desirable.

sufficient suggests a close meeting of a need.

sufficient savings

enough is less exact in suggestion than sufficient.

do you have enough food?

adequate may imply barely meeting a requirement.

the service was adequate

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

Examples of sufficient in a Sentence

Considering that John Adams was notoriously insecure about his own place in history, he surely would have enjoyed his current renown. He and Abigail get pride of place in the family crypt, down a winding staircase in the church basement. On her plaque in the crypt, she is described as a "model of domestic worth," as though she were a particularly charming chifforobe, and not a woman who survived a troubled marriage with sufficient courage that both houses of Congress adjourned upon hearing of her death. Charles P. Pierce, Boston Globe Magazine, 26 July 2009
Because canines are, for the most part, unable to naturally manufacture sufficient vitamins to meet their daily requirements, a dog's routinely consumed meals, with some exceptions, must be augmented with them during the manufacturing process. Tom Ewing, Dog Watch, February 2009
And since this policy is usually accompanied by a pledge to provide sufficient scholarship funds to admitted applicants who cannot afford the full cost (around $45,000 in the Ivy League today), it is an expensive policy. Andrew Delbanco, New York Review of Books, 29 Mar. 2007
The result was a magnificent example of evidence overkill—the first set of prints alone was sufficient to match the gangbanger to a set in the national Automated Fingerprint Identification System database. Jessica Snyder Sachs, Popular Science, March 2004
Recent Examples on the Web
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.
If protection against the scent of sweat is sufficient, a deodorant is a good choice. Katharina Fuchs, Vogue, 2 Jan. 2025 Without sufficient fiscal and regulatory support, companies may hesitate to invest in green technologies, which could delay the transition and limit its overall effectiveness. Umberto Cavallaro, Forbes, 2 Jan. 2025 For decades, this arrangement provided South Korea sufficient security assurance. Robert E. Kelly, Foreign Affairs, 30 Dec. 2024 The company anticipates that its available cash resources will be sufficient to fund its operations through February 2025, raising substantial doubt about its ability to continue as a going concern beyond that date. Quartz Bot, Quartz, 27 Dec. 2024 See all Example Sentences for sufficient 

Word History

Etymology

Middle English sufficiant, sufficient, borrowed from Anglo-French & Latin; Anglo-French suffisant, sufficient, in part from present participle of suffire "to suffice," in part borrowed from Latin sufficient-, sufficiens, from present participle of sufficere "to have enough strength or capacity, be adequate" — more at suffice

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of sufficient was in the 14th century

Dictionary Entries Near sufficient

Cite this Entry

“Sufficient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sufficient. Accessed 6 Jan. 2025.

Kids Definition

sufficient

adjective
: enough to achieve a goal or fill a need
sufficiently adverb

Legal Definition

sufficient

adjective
suf·​fi·​cient
: enough to meet the needs under the law of a situation or a proposed end
sufficiently adverb
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