fitfully
adverb
[ ˈfɪtf(ə)li ]
• not regularly or continuously; intermittently.
• "he slept fitfully"
Similar:
intermittently,
sporadically,
spasmodically,
irregularly,
patchily,
discontinuously,
erratically,
in/by fits and starts,
in snatches,
variably,
unevenly,
disconnectedly,
unsteadily,
on and off,
off and on,
