seldomly
unoften
sporadical
once in a blue moon
scantly
elusive
once in a purple moon
seldom
bare
seldom or ever
infrequently
nothing like
scarcely
hardly
scarce
barely
untimely
no
rarely
ungained
I can't remember the last time
unoccasional
unreached
catch dust
remotely
off and on
on and off
underperform
abrasively
not while pussy's a cat
nevah
when two Sundays come together
not one bit
never ever
when two Sundays meet
absent
ex-
nonfrequent
volitionless
unsustained
unoccasioned
dubitably
dubitatively
foggiest
skimped
not hardly
noninstantaneous
ill
unapertured
rare