neverending

• never-ending

From never +‎ ending.

neverending (not comparable)

1. Having no end or being endless.
   • 1987, Christina Hardyment, “Picking up Gold and Silver”, in Heidi’s Alp: One Family’s Search for Storybook Europe, Book Club edition, New York, N.Y.: The Atlantic Monthly Press, →OCLC, page 99:

     Lulling music washed around me, soft voices announced the rising and falling of airliners, huge screens clicked soothingly through neverending arrivals and departures.

• unending; see also Thesaurus:endless
• eternal; see also Thesaurus:eternal

• nerve ending