Synonyms for «difficult challenge»

arduous tough complicated daunting hard tricky huge impossible troublesome insurmountable frustrating considerable overwhelming significant formidable little tremendous high dangerous big immense complex interesting rigorous different fun easy intense uphill enormous great extreme important technical ambitious serious real good new heavy several whole varied brutal major painful incredible much hefty

difficulty task problems obstacles job hurdle struggle puzzle work battle competition project game life exercise goal experience mission journey endeavor assignment quest time bit test dilemma environment level encounter feat subject future skill demands idea business area change way scenario hands market relationship situations process conditions role campaign road