As an adverb endlessly
is in an endless manner; continuously without limit.
As a noun endlessness is
the state or characteristic of being endless.
endlessly
English
Adverb
(
en adverb)
in an endless manner; continuously without limit
See also
* indefinitely
endlessness
English
Noun
(-)
The state or characteristic of being endless.
Synonyms
* eternity, infinity, perpetuity.
Antonyms
* finitude