1a call to someone to participate in a competitive situation or fight to decide who is superior in terms of ability or strength:he accepted the challenge
a task or situation that tests someone’s abilities:the traverse of the ridge is a challenge for experienced climbershe took up the challenge of organizing a sports afternoon
an attempt to win a contest or championship in a sport:he is desperate for a third world title challenge
2a call to prove or justify something:a challenge to the legality of the banning order
a guard’s call for a password or other proof of identity:I heard the challenge ‘Who goes there?’
Law an objection regarding the eligibility or suitability of a jury member.
3 [mass noun] Medicine exposure of the immune system to pathogenic organisms or antigens:recently vaccinated calves should be protected from challenge
ზმნა
Universal
1dispute the truth or validity of:it is possible to challenge the report’s assumptions
Law object to (a jury member):a certain number of jurors may be challenged
(of a guard) order (someone) to prove their identity:the watchman did not challenge him
2invite (someone) to engage in a contest:he challenged one of my men to a duelorganizations challenged the government in by-elections
enter into competition with or opposition against.
make a rival claim to or threaten someone’s hold on (a position):they were challenging his leadership
[with object and infinitive] invite (someone) to do or say something that one thinks will be difficult or impossible:I challenge the Minister to deny these accusations
make demands on; prove testing to:a new way of life that would challenge them
3 Medicine expose (the immune system) to pathogenic organisms or antigens.
