unaccompanied vs lone

unaccompanied and lone both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unaccompanied	No	Yes	No	Yes
lone	No	Yes	No	No

unaccompanied (adjective)	lone (adjective)
being without an escort	being the only one; single and isolated from others
playing or singing without accompaniment	lacking companions or companionship
(of a state or an event) taking place without something specified occurring at the same time	characterized by or preferring solitude

unaccompanied (adverb)	lone (adverb)
without anybody else or anything else