Unmatched is a related term of fantastical.
As adjectives the difference between unmatched and fantastical
is that unmatched is (of a pair of things) not matched; odd while fantastical is of or pertaining to fantasy.
As a verb unmatched
is (unmatch).
unmatched
English
Adjective
(
en adjective)
(of a pair of things) not matched; odd
(of a single thing) not matched with anything else
peerless; unrivalled; beyond comparison
Verb
(head)
(unmatch)
fantastical
English
Alternative forms
* phantastical (dated)
* phantasticall (archaic)
Adjective
(
en adjective)
Of or pertaining to fantasy.
fanciful or whimsical
fantastic