Challenge Definition & Meaning - Merriam-Webster
https://www.merriam-webster.com/dictionary/challenge
to dispute especially as being unjust, invalid, or outmoded : impugn to confront or defy boldly : dareto call out to duel or combat... to question formally the legality or legal qualifications of ...
to dispute especially as being unjust, invalid, or outmoded : impugn
to confront or defy boldly : dareto call out to duel or combat...
to question formally the legality or legal qualifications of
...
DA: 25 PA: 15 MOZ Rank: 86