useful

adjective

use·​ful ˈyüs-fəl How to pronounce useful (audio)
Synonyms of usefulnext
1
: capable of being put to use
especially : serviceable for an end or purpose
useful tools
2
: of a valuable or productive kind
do something useful with your life
usefully adverb

Examples of useful in a Sentence

Does anyone have any useful suggestions? It can be useful to know CPR. The Internet is useful for finding information quickly. She has become one of the team's most useful players. Why don't you do something useful with your life?
Recent Examples on the Web
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But presidential results are a useful lens because of their high turnout and ability to offer a clearer view of partisan trends than congressional elections, which can be highly influenced by incumbency. Ashley Wu, New York Times, 18 May 2026 Those runs proved useful when Benge dropped a fly ball in the top of the seventh, allowing a run to score for the Yankees, who loaded the bases with no outs, forcing the Mets to go to the bullpen. Abbey Mastracco, New York Daily News, 17 May 2026 By combining pollution control with fertiliser manufacturing, the company is positioning the technology as a lower-cost alternative that could reduce emissions while creating a commercially useful byproduct. Bojan Stojkovski, Interesting Engineering, 17 May 2026 Each space is located on opposite sides of the house, providing some separation, which should prove useful for family living. Adam Williams may 17, New Atlas, 17 May 2026 See All Example Sentences for useful

Word History

First Known Use

1595, in the meaning defined at sense 1

Time Traveler
The first known use of useful was in 1595

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Cite this Entry

“Useful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/useful. Accessed 21 May. 2026.

Kids Definition

useful

adjective
use·​ful ˈyüs-fəl How to pronounce useful (audio)
1
: capable of being put to use : usable
useful scraps of material
2
: having practical value
a useful invention
usefully adverb
usefulness noun

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