Challenge

Synonyms of challenge

• obstacle
• problem
• difficulty

Antonyms of challenge

• aid
• assist
• support

Collocations of challenge

difficult task

Frequency: 70 %

Completing the project on time was a difficult task.

major challenge

Frequency: 60 %

Overcoming this major challenge will require teamwork.

personal challenge

Frequency: 50 %

Dealing with loss can be a personal challenge for many.

ongoing challenge

Frequency: 45 %

Managing the budget is an ongoing challenge for the organization.

unique challenge

Frequency: 40 %

Each individual faces their own unique challenges in life.

Idiomatic Expressions for challenge

• Phrase: throw down the gauntlet
  Meaning: to issue a challenge or invitation to compete
  Usage: The CEO threw down the gauntlet by challenging his employees to come up with innovative ideas for the company.