unique
antrin
uncommon
remarkable
rare as a four-leaf clover
unusual
offbeat
rareish
semirare
out of the way
unusuality
rarity
unwontedly
peculiarity
distinctive feature
distinguishing characteristic
extraordinary
different
exotic
weird
unusualness
geason
peculiar
special
fremd
way-out
quaint
queer as a clockwork orange
ultrarare
something else
atypical
historically
strange
hinky
freakish
out of the common
funny
unorthodox
unusually
superrare
rare as hen's teeth
normal for Norfolk
rare
one in a million
hellacious
rocking horse shit
ultrararefied
untypical
rareness
uncommonly
sporadicalness
oddment
rare as rocking horse shit
extraneity
freaky
eccentric
off-the-wall
oddly
seld
gonzo
flaky
outre
one and only
commonplace
flakey
outlandish
bizarre
no great shakes
miscegenic
quaintly
miscegenistic
peculiarsome
miscegenative
far-out
sporadic
queerly
bizarrerie
fishily
odd
unwonted
mutant
idiosyncratic
unordinarily
rare bird
rara avis
dead donkey
periplectic
rarer than hens' teeth
shenanigans
inenubilable
seldomness
eye-watering
obscurely