Useful

/ˈjuːsfl̩/ · adjective

Meaning

Having a practical or beneficial use..

Example Sentences

prove useful

practically useful

That’s a very useful tool for gardeners.

She found the information extremely useful.

In the early days troubles were experienced with oscillation from the rod drive and with the transformers, but were overcome later, and these machines performed useful service until superseded by more modern locomotives less costly in maintenance.

Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo, meaning vortex, and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.

Synonyms for useful

Antonyms for useful

Related Words

Word Forms

• more useful
• usefuller
• most useful
• usefullest
• usefull

Usage Notes

Choose a synonym only when it preserves the intended meaning, tone, and grammar of the full sentence.

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