Pronunciation: /ˈtʃælɪndʒ/
noun a difficult task or problem
A1 Learning a new language can be a challenge.
A2 Taking on a new hobby is a fun challenge.
B1 The math problem presented a difficult challenge for the students.
B2 Overcoming personal fears can be a rewarding challenge.
C1 The company faced a significant challenge when trying to expand into new markets.
C2 The scientist tackled the complex challenge of finding a cure for a rare disease.
verb to confront or defy boldly
A1 Learning a new language can be a challenge.
A2 I challenged myself to run a marathon.
B1 The project presented a challenge due to its complexity.
B2 She challenged the status quo with her innovative ideas.
C1 The debate competition challenged my critical thinking skills.
C2 The CEO was challenged by the board to improve company performance.
formal The team faced a difficult challenge when trying to meet the project deadline.
informal It's going to be a real challenge to finish this assignment on time.
slang This math problem is a total challenge, dude.
figurative Overcoming his fear of public speaking was a real challenge for him.
challenged
challenges
more challenging
most challenging
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will challenge
have challenged
is challenging
challenge
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to challenge
challenging
challenging