unattended vs unsupervised

unattended and unsupervised both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unattended	No	Yes	No	No
unsupervised	No	Yes	No	No

unattended (adjective)	unsupervised (adjective)
lacking accompaniment or a guard or escort	not supervised or under constant observation
lacking a caretaker
not watched