ಅರ್ಥ : Requiring full use of your abilities or resources.
ಉದಾಹರಣೆ :
Ambitious schedule.
Performed the most challenging task without a mistake.
ಸಮಾನಾರ್ಥಕ : ambitious
ಅರ್ಥ : Stimulating interest or thought.
ಉದಾಹರಣೆ :
A challenging hypothesis.
A thought-provoking book.
ಸಮಾನಾರ್ಥಕ : thought-provoking