a call or summons to engage in any contest, as of skill, strength, etc.
something that by its nature or character serves as a call to battle, contest, special effort, etc.: Space exploration offers a challenge to humankind.
a call to fight, as a battle, a duel, etc.
a demand to explain, justify, etc.: a challenge to the treasurer to itemize expenditures.
difficulty in a job or undertaking that is stimulating to one engaged in it.
challenge | Define challenge at Dictionary.com
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The American Library Association (ALA) defines a challenge to literature as an
attempt by a person or group of people to have literature restricted or removed ...
challenge definition, meaning, what is challenge: (the situation of being faced
with) something that needs great mental or physical effort…. Learn more.
Challenge definition, a call or summons to engage in any contest, as of skill,
strength, etc. See more.
Define challenge (noun) and get synonyms. What is challenge (noun)? challenge
(noun) meaning, pronunciation and more by Macmillan Dictionary.
Meaning, pronunciation, example sentences, and more from Oxford Dictionaries.
... 'the traverse of the ridge is a challenge for experienced climbers'. 'he took up ...
Define challenge: to say or show that (something) may not be true, correct, or
legal — challenge in a sentence.
Challenge, as a verb, is derived from a Latin word meaning "to accuse falsely,"
and it is still used much as it was in the 13th century, in the sense of questioning ...
challenge meaning, definition, what is challenge: something that tests strength,
skill, or...: Learn more.