unendingun‧end‧ing /ʌnˈendɪŋ/ adjective 
Examples
an unending stream of people
ExamplesEXAMPLES FROM OTHER DICTIONARIES
Thesaurus- an unending series of interruptions
- And on this stretch of Interstate 80, an unending stream of cars whooshes by.
- And, of course, they can glory in the unending powder of the Bowls.
- His task, one of unending and heady excitement, was now well and truly under way!
- His universalism seemed to offer unending real misery punctuated by periods of illusory bliss.
- New Zealand's numerous indigenous shrubs and trees provide unending greenery.
- One could not know his measureless glory: the unending string of faces peering over the edge.
- Throughout these long, agonizing months, their lives are accompanied by the unending cacophony of my screaming.
Longman Language Activatorwhen something unpleasant continues for a long time► continual
Word family use this about something annoying or unpleasant that continues for a long time without stopping: · The deadline was getting closer and we were under continual pressure to reach our targets.· The exhaustion felt by new parents comes from the continual disturbance of their sleep patterns.
► constant use this about an unpleasant or frightening situation that continues for a long time without stopping: · She has learned to put up with the constant roar of trucks and cars whizzing by.· People under the regime lived in constant fear.· Lehman is in constant pain, and suffers from a severe form of arthritis.
► perpetual use this about an unpleasant or upsetting situation that is always there and does not change: · For many working mothers, balancing the demands of children and job is a perpetual strain.· Those who remain in the city are in perpetual danger of being hit by bullets and shells.
► incessant something unpleasant and annoying, especially a noise, that is incessant continues over a long period of time and never stops: · Outside the window is the incessant noise of cars and buses.· She gave two- or three-word answers to reporters' incessant questions .· The incessant rain has meant that many matches had to be cancelled.
► nagging: nagging doubt/fear/worry/suspicion etc a doubt etc that is probably unnecessary but that stays with you all the time and does not go away: · She had a nagging worry that she hadn't done enough to prepare.· I have a nagging feeling that I forgot to do something.· There are still some nagging doubts about the future of the company, though for now it is doing well.
► endless/unending/never-ending use this about something unpleasant, boring, or tiring that continues for so long that you think it will never end or change: · How can I stop my children's endless quarrelling?· The wet winter days seemed at times unending.· His immune system failed, and he caught a never-ending series of viruses and infections.
► persistent a persistent problem or illness is not very serious but it continues to exist even though you try to get rid of it: · He has a persistent cough because of his smoking.· The country has suffered from persistent economic problems.
► unrelenting formal an unpleasant situation or feeling that is unrelenting continues for a long time without stopping: · The unrelenting pressures of the job started to affect her health.· The relief efforts have been hindered by unrelenting bad weather.· The unrelenting air attack on the country continued.
WORD FAMILYnounendendingadjectiveunendingendlessverbendadverbendlessly
something, especially something bad, that is unending seems as if it will continue for ever: an unending stream of people