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Challenge Definition & Meaning - Merriam-Webster
CHALLENGE | English meaning - Cambridge Dictionary
CHALLENGE Definition & Meaning | Dictionary.com
challenge noun - Definition, pictures, pronunciation and usage …
CHALLENGE | meaning - Cambridge Learner's Dictionary
Challenge - definition of challenge by The Free Dictionary
CHALLENGE definition and meaning | Collins English Dictionary
challenge verb - Definition, pictures, pronunciation and usage …
challenge noun - Definition, pictures, pronunciation and usage …
challenge | meaning of challenge in Longman Dictionary of …