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: unending, perpetual, continuous, unceasing, 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

Derived Forms

• ˈendlessness, noun
• ˈendlessly, adverb

Other Words From

• endless·ly adverb
• endless·ness noun
• quasi-endless adjective
• quasi-endless·ly 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

To fly for several days and nights, reaching a theoretically endless flight potential, Solar Impulse relied on batteries that stored the energy collected during the day and used it to power its engines during the night.

From TechCrunch

Some of the best portable printers are indeed battery-powered, so your options for printer locations are almost endless.

From Popular-Science

The sources of human-produced noise are endless, says Duarte.

From Time

Oh, and don’t forget the endless Twitter boasts, wars, and rants.

From Fortune

Play endless heated matches and, when you’re done, fold and roll the table to store anywhere.

From Popular-Science

The seemingly endless ranks snapped to attention on command and thousands of white gloves rose in salute.

From The Daily Beast

It is all too easy to be despondent in the face of what seems like the endless capacity of evil to reinvent itself.

From The Daily Beast

The possibilities seem endless: Who needs a trip to the liquor store when the toddler can turn water into wine, amirite?

From The Daily Beast

The high heel has gone through endless aesthetic changes throughout the years.

From The Daily Beast

Take responsibility for an endless stream of people, even as our own suffer, and struggle to get policy relief from Washington.

From The Daily Beast

That Lawrence, whom he looked upon almost as a son, should take up arms against the South was to him a source of endless regret.

From Project Gutenberg

The endless miles of railways, the vast apparatus of the factories, the soaring structures of the cities bear easy witness to it.

From Project Gutenberg

Endless repetition or repeating a sentence to be memorised over and over again is the usual process.

From Project Gutenberg

Without embarking on another endless yarn let me note the fact that there are two schools amongst our brethren afloat.

From Project Gutenberg

This Series is usually learned by endless repetition, as a succession of sounds to the ear, or sight to the eye, by mere rote.

From Project Gutenberg

Related Words

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