vague vs shadowy

vague and shadowy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
vague	No	Yes	No	No
shadowy	No	Yes	No	No

As adjectives, vague and shadowy are synonyms defined as:

Other synonyms of vague include dim, faint, wispy.

vague (adjective)	shadowy (adjective)
not precisely limited, determined, or distinguished	lacking clarity or distinctness
lacking clarity or distinctness	lacking in substance
not clearly expressed or understood	filled with shade