challenge
The word 'challenge' has 7 different meanings.
Choose one to see details.
challenge
A hard task
A tough challenge
noun
To question
To challenge a decision
verb
To invite to compete
To challenge a rival
verb
A contest invitation
Challenge to a match
noun
A formal objection
Legal challenge
noun
To ask for ID
To challenge a visitor
verb
A demand for ID
Security challenge
noun