not while pussy's a cat
when two Sundays meet
never ever
when two Sundays come together
nevah
at latter Lammas
at no time
if pigs had wings
when pigs fly
never've
nooit
in no way
under no circumstances
nary
nevermore
relentless
persistent
uneverted
unrelenting
only if
only when
⠐⠑
only
in a pig's eye
Neveruary
unreddened
⠁⠇⠺
when Hell freezes over
omniabsent
second Tuesday of the week
nonexisting
wanting
existless
missing
unvenial
of all time
absent
lacking
inexistent
once in a purple moon
nauther
Nevuary
nother
seldomly
Crotophaga
eonian
undying
immortality
genus Crotophaga
deathless