unpledged vs uncommitted

unpledged and uncommitted both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unpledged	No	Yes	No	No
uncommitted	No	Yes	No	No

unpledged (adjective)	uncommitted (adjective)
not promised in marriage	not bound or pledged
	not associated in an exclusive sexual relationship
	not busy; not otherwise committed