unoften
seldomly
once in a blue moon
seldom
once in a purple moon
sporadical
scantly
seldom or ever
rarely
infrequently
geason
infrequent
I can't remember the last time
remotely
abrasively
elusive
unoccasional
uncommonly
not hardly
oft
nothing like
not one bit
unfrequent
rare
scarcely
barely
scarce
hardly
nonfrequent
ungained
untimely
unreached
supersubtle
uncommonplace
unprevalent
in a pig's eye
nonprevalent
periodically
sporadically
dubitatively
uncommon
dubitably
ill
no
only when
unpursuable
only if
on and off
off and on
only
omniabsent
semiabandoned
bare
rare as rocking horse shit
absent
not Pygmalion likely
catch dust
every so often
every now and then
lackadaisic
now and then
rareish
semirare
rocking horse shit
suspensory
doubt
hardly a
impersistent
unneared
fleetingly
noncommonable
scant
uncommonable
a bit
remote
one man and his dog
a tad
outside
hank
unmightiness
ungradual
indefinite
volitionless
noynoying
when two Sundays meet
sporadic
when two Sundays come together
now and again
slip through
never ever
nevah
one in a million
not while pussy's a cat
noninstantaneous