unique vs unequaled

unique and unequaled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unique	No	Yes	No	No
unequaled	No	Yes	No	No

As adjectives, unique and unequaled are synonyms defined as:

Other synonyms of unique include alone, unequalled, unparalleled.

unique (adjective)	unequaled (adjective)
radically distinctive and without equal	radically distinctive and without equal
the single one of its kind
(followed by `to') applying exclusively to a given category or condition or locality
highly unusual or rare but not the single instance