eternally
adverb
[ ɪˈtəːn(ə)li ]
• in a way that continues or lasts forever; permanently.
• "his eternally optimistic attitude"
Similar:
forever,
permanently,
for always,
for good,
for good and all,
perpetually,
(for) evermore,
for ever and ever,
for all (future) time,
until/to the end of time,
world without end,
endlessly,
timelessly,
for eternity,
in perpetuity,
everlastingly,
enduringly,
aye,
forevermore,
for keeps,
until hell freezes over,
until doomsday,
until the cows come home,
for aye,
immortally,
deathlessly,
imperishably,
abidingly,
sempiternally,
perdurably,
constantly,
continually,
continuously,
always,
all the time,
the entire time,
persistently,
repeatedly,
regularly,
round-the-clock,
without a break,
night and day,
day and night,
morning,
noon,
and night,
non-stop,
incessantly,
unceasingly,
ceaselessly,
perennially,
interminably,
unremittingly,
relentlessly,
unrelentingly,
24/7,
• used to emphasize expressions of admiration, gratitude, etc.
• "I shall be eternally grateful"