అర్థం : Requiring full use of your abilities or resources.
							ఉదాహరణ : 
							Ambitious schedule.
							Performed the most challenging task without a mistake.
							
పర్యాయపదాలు : ambitious
అర్థం : Stimulating interest or thought.
							ఉదాహరణ : 
							A challenging hypothesis.
							A thought-provoking book.
							
పర్యాయపదాలు : thought-provoking
Challenging meaning in Telugu.