several vs various

several and various both are adjectives.

Word	Noun	Adjective	Verb	Adverb
several	No	Yes	No	No
various	No	Yes	No	No

As adjectives, several and various are synonyms defined as:

Other synonyms of several include respective.

several (adjective)	various (adjective)
distinct and individual	distinctly dissimilar or unlike
considered individually	considered individually
(used with count nouns) of an indefinite number more than 2 or 3 but not many	of many different kinds purposefully arranged but lacking any uniformity
	having great diversity or variety