Adverb
In an endless manner.
Source: Webster's dictionarydance inspires him ceaselessly to strive higher and higher toward the shining pinnacle of perfection that is the goal of every artiste Source: Internet
there are infinitely many possibilities Source: Internet
a theological student with whom I argued interminably Source: Internet
her nagging went on endlessly Source: Internet
the Nubian desert stretched out before them endlessly Source: Internet
³ Van Dyke later wrote, "everything about the show stemmed from his (Reiner's) endlessly and enviably fascinating, funny, and fertile brain and trickled down to the rest of us." Source: Internet