I. “+ adjective
Etymology: Middle English unsett, from un- (I) + sett set
: not set: as
a. archaic : not allotted or assigned
b. : not fixed in a setting : unmounted
auctioning off a collection of unset stones
an unset sawtooth
c. : not firmed or solidified
unset concrete
II. transitive verb
Etymology: un- (II) + set
: displace , unsettle