Choose the perfect synonym or antonym for the word Requires great effort or skill to do successfully.
Challenging
/ˈtʃæləndʒɪŋ/Synonyms:
Antonyms:
Examples:
Learning a new language can be challenging.The hike was challenging but worth the effort.
Etymology:
Derived from the verb challenge, which originates from the Latin word calumnia meaning trickery or deception, with the sense of testing one's ability.
Usage Statistics:
13 mentions per 1 million words 
Hint: Frequency according to COCA
Moderate
Hint: Frequency according to COCA
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