endless

[end-lis]

adjective

1. having or seeming to have no end, limit, or conclusion; boundless; infinite; interminable; incessant.

   an endless series of complaints; Time is endless.

   Synonyms: perpetual, continuous, unceasing, unending, illimitable, limitless

2. made continuous, as by joining the two ends of a single length.

   an endless chain or belt.

endless

/ ˈɛndlɪs /

adjective

1. having or seeming to have no end; eternal or infinite

2. continuing too long or continually recurring

3. formed with the ends joined

   an endless belt

Other Word Forms

• endlessly adverb
• endlessness noun
• quasi-endless adjective
• quasi-endlessly adverb

Word History and Origins

Origin of endless¹

First recorded before 900; Middle English endelees, Old English endelēas. See end ¹, -less

Synonym Study

See eternal.

Example Sentences

“As long as we have as open societies as we do, there are endless ways to bring in drones.”

Read more on The Wall Street Journal

"We've had broken promises, endless forms, endless meetings and endless professionals and nothing comes of it - we are absolutely exhausted and depleted."

Read more on BBC

Her political balance sheet is different from Mr. Youngkin, who blends competence and focus with a seemingly endless supply of good cheer.

Read more on The Wall Street Journal

But between work, family and endless to-do lists, a simple catch-up can become a logistical nightmare.

Read more on BBC

As Kadiwala drove into the enclave in a United Nations convoy late last year, he saw an endless expanse of gray rubble.

Read more on Los Angeles Times

Related Words

• boundless 
• ceaseless 
• constant 
• continual 
• continuous 
• countless 
• eternal 
• incessant 
• infinite 
• interminable 
• limitless 
• monotonous 
• never-ending 
• perpetual 
• unbroken 
• unending 
• unfathomable 
• uninterrupted 
• unlimited 
• untold