The phrase "an unending loop" is correct and usable in written English.
It can be used to describe a situation or process that continues indefinitely without stopping.
Example: "The program encountered an error and fell into an unending loop, causing it to freeze."
Alternatives: "a never-ending cycle" or "an infinite loop."
These things kept happening to me over and over for three and a half days, on an unending loop of awfulness.
MAHMUDIYA, Iraq — On bases big and small south of Baghdad, the scrambled reality of war has become routine: an unending loop of anxious driving in armored Humvees, gallons of Gatorade, laughter at the absurd and 4 a.m. raids into intimate Iraqi bedrooms.
— With three full days between Games 2 and 3 of the Eastern Conference semifinal series between the Knicks and the Indiana Pacers, the replay of Iman Shumpert's one-handed slam dunk in the second quarter Tuesday has had a chance to really sink in, playing in highlight packages in what has seemed like an unending loop.
The pre-loaded Sony Reader app, for instance, sent me into an unending loop of a "download now" web page, to the Android Market, back to the "download now" page.
The sidewalk along Oriental Avenue is packed with chanting, cheering workers waving signs and grinning at one another as they pass in an unending loop beneath the tallest building in New Jersey: the bankrupt Revel casino.
The sidewalk along Oriental Avenue is packed with chanting, cheering workers waving signs and grinning at each other as they pass in an unending loop beneath the tallest building in New Jersey: the bankrupt Revel casino.
It preserves the little half-second gap between the song's end and its re-beginning so I can keep some measure of how many listens I've gone through, unlike iTunes which bleeds the last couple seconds into the intro to make the song a single unending loop (the bubbling lab chemicals or whatever at the beginning actually match up almost perfectly with the sounds at the end).
Finally, the unending loop of death begins again from the top, week after week.
Bob your head and cross your eyes as the programme and the ads melt into an unending dazzle-loop of brand ambassadorship.
And just like the continuous water cycle from precipitation to evaporation, the images, too, are in their own unending loops.
Then we got an unending stream.
