Definition of useful
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
usefullyplay \ˈyüs-fə-lē\ 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 of useful from the Web
Officials are hoping users will explore the portal's tools to help sort and visualize data, and maybe even develop apps or maps that could be useful to the city and residents.
In Colorado, Skillful is working to improve the flow of useful information among job seekers, employers, educators, governments and local training groups.
Instead, like a washing machine or a vacuum cleaner, the device would perform a narrow set of useful tasks with the push of a button or two.
Engineers think the grippers could help automate repair processes currently done by astronauts and may even be useful in future projects to clear up space debris cluttering Earth’s orbit.
There is one strong consensus league-wide: Analytics data related to injury prevention, which straddles sports science and comes through player tracking, is useful and will only get better.
Chilton said radiosurgery treatments are especially useful for tumors that are near the base of the brain, or wrapped around nerves or blood vessels — situations that make surgery more risky.
Ham radio operators have been in the communication business for decades, transmitting useful information, to a listening public.
These services have their place, and in certain cases, may be useful in getting a very rough idea of a particular home’s value.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'useful.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of useful
USEFUL Defined for English Language Learners
Definition of useful for English Language Learners
: helping to do or achieve something
USEFUL Defined for Kids
Definition of useful for Students
1 : capable of being put to use : usable useful scraps of material
2 : helpful in doing or achieving something If you are ever planning a vacation, you may find it useful to acquire a guidebook … — Lemony Snicket, The Miserable Mill
Seen and Heard
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