- useful */*/*/
- UK [ˈjuːsf(ə)l] / US [ˈjusf(ə)l]
adjective
Get it right: useful:Although the adjective full ends with a double "l", adjectives like useful have only one "l":
Wrong: Find a more usefull spare time activity than driving around in a car.
Right: Find a more useful spare time activity than driving around in a car. Other adjectives ending in -ful are also written with only one "l", for example:
careful, faithful, harmful, helpful, meaningful, painful, powerful, skilful, successful
Note however that adverbs formed from these adjectives are written with double "l", for example:
carefully, faithfully, helpfully, usefully etc1) helpful for doing or achieving somethingHere's some useful information about travel in Canada.
a useful tool/technique/gadget
useful to:Her book is a useful contribution to our understanding of how Mozart worked.
useful for:I was useful to them because I could speak French.
useful for doing something:That basket would be useful for picnics.
useful (for someone) to do something:Old pictures are useful for seeing how people used to dress.
Thanks. It's useful to know that.
prove useful:Would it be useful for you to ask us some questions?
Keep a record of everything that might prove useful.
2) British informal good, or skilfula useful player
•the end of someone's/something's useful life
— the state of being old or damaged and no longer usefulThe heating system has come to the end of its useful life.
English dictionary. 2014.