Synonyms of challenging in English:

challenging


See definition of challenging

adjective

1‘an interesting, worthwhile, and challenging job’

SYNONYMS

demanding, testing, taxing, exacting, exigent, searching

stretching, exciting, stimulating, inspiring, energizing, inspirational

difficult, tough, hard, heavy, stiff, formidable, onerous, arduous, laborious, burdensome, strenuous, gruelling

ANTONYMS

easy, uninspiring