Definition of challenging
- a challenging course of study
- a challenging job
I find the job challenging and fun.
Teaching is challenging but rewarding work.
It's a challenging book that requires careful reading.
The slope was challenging for even the most experienced climbers.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'challenging.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
arduous, Augean, backbreaking, demanding, difficult, effortful, exacting, formidable, grueling (or gruelling), hard, heavy, herculean, killer, laborious, moiling, murderous, rigorous, rough, rugged, severe, stiff, strenuous, sweaty, tall, testing, toilsome, tough, uphill;
abstract, abstruse, complex, complicated, elusive, hairy, insoluble, intricate, involved, knotty, opaque, problematic (also problematical), recondite, serious, spiny, stubborn, thorny, ticklish, tricky;
: difficult in a way that is usually interesting or enjoyable
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