Bedeutung von “useful” — Learner’s Dictionary

useful

adjective us uk /ˈjuːsfəl/
Extra Examples
You seem to fulfil a very useful role in the organization.Some useful information can be gleaned from this study.The magazine gives lots of useful hints on how to save money.She made some useful suggestions.This booklet provides useful information about local services.

A2 helping you to do or achieve something:

a useful course for students
come in useful UK

to be useful and help someone do or achieve something, especially when there is nothing else to help them:

You should keep that paint - it might come in useful.
usefully adverb
usefulness noun [ U ]

(Definition von “useful” aus dem Cambridge Learner's Dictionary © Cambridge University Press)