impressive vs effective

impressive and effective both are adjectives.

Word	Noun	Adjective	Verb	Adverb
impressive	No	Yes	No	No
effective	No	Yes	No	No

impressive (adjective)	effective (adjective)
making a strong or vivid impression	producing or capable of producing an intended result or having a striking effect
producing a strong effect	existing in fact; not theoretical; real
	able to accomplish a purpose; functioning effectively
	works well as a means or remedy
	ready for service
	exerting force or influence