As an adverb indefinitely
is for a long time, no end defined.
As a noun fafillion is
(informal|hyperbole) an indefinitely large number.
indefinitely
English
Adverb
(-)
For a long time, no end defined
Forever
See also
* endlessly
fafillion
English
Alternative forms
* fafilion
Noun
(
en noun)
(informal, hyperbole) An indefinitely large number.