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useful

use·ful

useful

 
pronunciation:
yus fl
features:
Word Explorer, Word Parts
part of speech: adjective
definition: able to be used, esp. in a helpful, practical, or effective way.
This guidebook has a lot of useful information.It's a cute invention but it's not very useful.
synonyms:
handy, practical, serviceable, usable
antonyms:
useless, worthless
similar words:
advantageous, beneficial, constructive, convenient, effective, functional, helpful, productive, profitable, utilitarian
derivations: usefully (adv.), usefulness (n.)
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  knowledge, technology
Word Parts
The word useful contains the following part: