challenge
/ˈtʃæl.ɪndʒ/(noun)
AWL Sublist 5CEFR B2IELTS Band 7.0 - 9.0
Academic Definition
A call to take part in a contest or fight; a task or situation that tests someone's abilities or endurance; an objection.
Key Academic Collocations
Click to copyWord Family & Derivatives
challengechallengingchallengedchallenger
Lexical Alternatives (Synonyms)
obstaclehurdledifficultyordealprovocation
Academic Sample Sentences in Context
"Rapid urbanization poses formidable infrastructure challenges for municipal authorities in developing megacities."
"The table outlines the primary logistical challenges reported by humanitarian agencies operating in isolated mountainous zones."
"Tackling global antimicrobial resistance represents one of the paramount scientific challenges of the twenty-first century."
IELTS Examiner Scoring Strategy (Lexical Resource)
Collocations: 'pose a formidable challenge to...', 'confront the challenge of...', 'tackle this pressing challenge'.