The term 'Grew Disillusioned' can be summarized as a person becoming increasingly disappointed or discouraged with a situation or belief. This phrase is often used to describe someone who has had their hopes and expectations dashed, leading to a feeling of disillusionment. The crossword solution for this term is 'Soured', which means to become bitter or unpleasant in taste or smell. This is an apt description of the feeling of disappointment that comes with being disillusioned.