challenging

adjective/ˈtʃælɪndʒɪŋ/

Frequency rank: #2,916 most common English word

Meaning

Difficult in an interesting way that tests your ability.

Illustration for the English word “challenging”

Example sentence

The puzzle was so difficult that it was truly challenging.

Synonyms & related words

Practice this word in the quiz

More words in ranks 2,901–3,000