progressive
unceasing
endlong
invariable
sticky
present progressive
persistent
continuum
onholding
persisting
restant
transtemporal
unbroken
incessable
persistently
running
lasting
forever
all the time
ongoing
solid
continual
longevity
incessive
continuant
ident
since
hyperpersistent
ever since
persistable
itinually
steadily
constantly
everlastingly
present perfect progressive
on
perpetual
steady
periodic
run
ongoingness
continuatively
hold down
at a stretch
continent
at a time
uniform continuity
the whole while
unswervingly
steadyingly