ambitious 9 Associations

challenging difficult (similar term) hard (similar term)

challenging 11 Associations

ambitious difficult (similar term) hard (similar term)

challenging 11 Associations

thought-provoking stimulating (similar term)

challenging 11 Associations

intriguing provocative (similar term)

difficult 9 Associations

hard ambitious (similar term) challenging (similar term) arduous (similar term) awkward (similar term) embarrassing (similar term) sticky (similar term)

hard 4 Associations

difficult ambitious (similar term) challenging (similar term) arduous (similar term) awkward (similar term) embarrassing (similar term) sticky (similar term)

intriguing 10 Associations

challenging provocative (similar term)

provocative 11 Associations

agitative (similar term) agitating (similar term) provoking (similar term) challenging (similar term) intriguing (similar term) charged (similar term) incendiary (similar term)

stimulating 11 Associations

challenging (similar term) thought-provoking (similar term) exciting (similar term) piquant (similar term) salty (similar term) rousing (similar term) stirring (similar term)

thought-provoking 17 Associations

challenging stimulating (similar term)