RichThesaurus
periodically
periodically
synonyms
sporadically
sometimes
at times
occasionally
at intervals
every so often
from time to time
irregularly
on occasion
intermittently
off and on
spasmodically
(every) now and again
on the odd occasion
(every) now and then
(every) once in a while
on occasions
by fits and starts
discontinuously
erratically
fitfully
now and again
interruptedly
once in a blue moon
in fits and starts
piecemeal
on and off
once in a while
hardly
every now and then
now and then
every once in a while
ever and anon
uncommonly
frequently
recurrently
usually
unpunctually
unmethodically
time and again
very often
thick and fast
unevenly
anyhow
rarely
uncertainly
slapdash
willy-nilly
regularly
successively
more synonyms
periodically
antonyms
constantly
often
seldom
steadily
infrequently
evenly
never
not much
always