challenging

[chal-in-jing]

adjective

1. offering a challenge; testing one's ability, endurance, etc.

   a challenging course;

   a challenging game.

2. stimulating, interesting, and thought-provoking.

   a challenging suggestion.

3. provocative; intriguing.

   a challenging smile.

ˈchallenging

/ ˈtʃælɪndʒɪŋ /

adjective

1. demanding or stimulating

   a challenging new job

Other Word Forms

• challengingly adverb
• nonchallenging adjective
• unchallenging adjective

Word History and Origins

Origin of ˈchallenging¹

First recorded in 1300–50; Middle English, as a gerund; 1835–45 for sense of "testing one's ability"; challenge ( def. ), -ing ² ( def. )

Related Words

• ambitious 
• arduous 
• burdensome 
• crucial 
• demanding 
• laborious 
• onerous 
• painful 
• problematic 
• severe 
• strenuous 
• tough 
• troublesome