upward vs up

upward and up both are adjectives.

Word	Noun	Adjective	Verb	Adverb
upward	No	Yes	No	Yes
up	No	Yes	Yes	Yes

As adjectives, upward and up are synonyms defined as:

As adverbs, upward and up are synonyms defined as:

upward and up: spatially or metaphorically from a lower to a higher position

Other synonyms of upward include upwardly, upwards.

As adverbs, upward and up are synonyms defined as:

Other synonyms of upward include upwards.

upward (adjective)	up (adjective)
extending or moving toward a higher place	being or moving higher in position or greater in some value; being above a former position or level
directed up	extending or moving toward a higher place
	out of bed
	used up
	(used of computers) operating properly
	(usually followed by `on' or `for') in readiness
	open
	getting higher or more vigorous

upward (verb)	up (verb)
	raise

upward (adverb)	up (adverb)
spatially or metaphorically from a lower to a higher position	spatially or metaphorically from a lower to a higher position
to a later time	to a later time
	to a more central or a more northerly place
	nearer to the speaker
	to a higher intensity