English to English
adverb
- continuing forever without end
There are infinitely many possibilities.
source: WordNet 3.0
- with unflagging resolve
Dance inspires him ceaselessly to strive higher and higher toward the shining pinnacle of perfection that is the goal of every artiste.
source: WordNet 3.0
- (spatial sense) without bounds
The Nubian desert seemed to stretch out before them endlessly.
source: WordNet 3.0
- all the time; seemingly without stopping
A theological student with whom I argued interminably.
Her nagging went on endlessly.
source: WordNet 3.0
- In an endless manner.
source: Webster 1913