unrepeatable
million-dollar
uniquely
unambiguously
specific
one and only
specialism
unaccustomed
out of the common
one-off
way-out
antrin
unusuality
streak
distinctify
offbeat
peculiarsome
fremd
one-of-a-kind
remarkable
unusual
rare bird
rara avis
queer as a clockwork orange
idiomorphous
first-of-its-kind
uncharacteristic
rarity
freakish
quaint
geason
peculiar
distinctive feature
peculiarity
distinguishing characteristic
out of the way
weird
extraordinary
far-out
something else
non-imitation
unorthodox
mutant
spesh
speshul
unique
apart
special
ultradistinct
exotic
seity
freaky
odd
characteristic
JDLR
out-of-the-way
unicum
distinctively
out of the ordinary
crank
unlikeness
one-shot
anomaly
snowflake
custom-made
normal for Norfolk
extraneity
eclectically
different
unusual person
self
unusualness
one of a kind
oddment
new
freak
all that and a bag of chips
unmistakable
unwontedly
sole
distinctly
idiosyncratic
oddball
weirdling
periplectic
arbit
specialty
singularity
odd fish
unwonted
unusually
janky