From Middle English endeles, from Old English endelēas, from Proto-Germanic *andijalausaz, equivalent to end + -less.

• IPA: /ˈɛndlɪs/, /ˈɛndləs/

endless (not comparable)

1. Having no end.

   endless time; endless praise

2. Extending indefinitely.

   an endless line

3. Too much or many to be exhausted; an extremely high number or amount of; immeasurable, innumerable.
4. (obsolete) Without profitable end; fruitless; unsatisfying.
   • c. 1615–1616, Francis Beaumont, John Fletcher, “Loves Pilgramage, a Comedy”, in Comedies and Tragedies […], London: […] Humphrey Robinson, […], and for Humphrey Moseley […], published 1647, →OCLC ↗, Act II, scene iii:

     All loves are endless.

• (having no end) unending; see also Thesaurus:endless
• (extending indefinitely) eternal, infinite, unlimited; see also Thesaurus:infinite or Thesaurus:eternal

• finite
• limited

• French: infini, interminable, perpétuel
• German: endlos, unbegrenzt
• Italian: interminabile, senza fine, infinito
• Portuguese: infinito, infindável, incessante, infindo
• Russian: бесконе́чный
• Spanish: interminable, sinfín, infinito

• German: unbegrenzt, unbeschränkt, unendlich