useful

[yoos-fuhl]

adjective

1. being of use or service; serving some purpose; advantageous, helpful, or of good effect.

   a useful member of society.

   Synonyms: beneficial, efficacious, profitable
   Antonyms: useless

2. of practical use, as for doing work; producing material results; supplying common needs.

   the useful arts; useful work.

   Synonyms: beneficial, efficacious, profitable
   Antonyms: useless

useful

/ ˈjuːsfʊl /

adjective

1. able to be used advantageously, beneficially, or for several purposes; helpful or serviceable

2. informal,  commendable or capable

   a useful term's work

noun

1. informal,  an odd-jobman or general factotum

Other Word Forms

• usefully adverb
• usefulness noun
• unuseful adjective
• unusefully adverb
• unusefulness noun

Word History and Origins

Origin of useful¹

First recorded in 1585–95; use + -ful

Example Sentences

But I recommend keeping it enabled, because it really does make the AI more useful—as long as you periodically check the Saved memories screen.

Read more on The Wall Street Journal

It can be particularly useful for travelers flying in and out of airline’s base at Heathrow Airport, which has the most flight connections of any airport in the world.

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These results suggest that measuring CtBP2 in the blood could serve as a useful biomarker for assessing both biological aging and overall health.

Read more on Science Daily

Taneja: The most concrete and useful advice I can give is to learn how to adopt AI to do your job more effectively.

Read more on MarketWatch

Not all of the advice was so useful.

Read more on The Wall Street Journal

Related Words

• advantageous 
• appropriate 
• convenient 
• effective 
• favorable 
• fruitful 
• good 
• handy 
• helpful 
• practical 
• pragmatic 
• profitable 
• proper 
• suitable