English DepartmentThe Open UniversitySHOHAMLogout OU Student English DepartmentThe Open UniversitySHOHAMLogin OU Student
header login
beta version
challenge
voice
challenge (verb)
If you challenge something, you question its truth or value.*
  • Some people believe that children should never challenge their parents' authority.
challenge (noun)
A challenge is something new and difficult which requires great effort in order to succeed.
  • It was a challenge to make the first spaceship land on the moon.
noun verb adjective
  • challenge
  • challenges
  • challenger
  • challengers
  • challenge
  • challenges
  • challenged
  • challenging
  • challenged
  • challenging


Preview release – please send us your comments
All rights reserved Copyright © The Open University of Israel