unknown
disgraceful
extreme
inconceivable
nameless
new
obscure
offensive
outlandish
outrageous
shocking
unbelievable
unfamiliar
unidentified
unimaginable
unimagined
unparalleled
unprecedented
unsung
unthinkable
unusual
appal
astound
atrocious
incredible
inexplicable
unbearable
uncommon
unforeseen
unpardonable
unspeakable
untold
unwonted