having or seeming to have no end; eternal or infinite continuing too long or continually recurring formed with the ends joined: an endless belt
WordReference Random House Learner's Dictionary of American English © 2025
end•less /ˈɛndlɪs/USA pronunciation
adj.
end•less•ness, n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- having or seeming to have no end;
boundless:an endless highway through the open desert. - not stopping or ceasing;
incessant:the endless noise of construction work.
end•less•ness, n. [uncountable]
- See eternal.
end•less
(end′lis),USA pronunciation adj.
end′less•ly, adv.
end′less•ness, n.
- having or seeming to have no end, limit, or conclusion;
boundless;
infinite;
interminable;
incessant:an endless series of complaints; Time is endless. - made continuous, as by joining the two ends of a single length:an endless chain or belt.
- Middle English endelees, Old English endelēas. See end1, -less bef. 900
end′less•ness, n.
- 1.See corresponding entry in Unabridged limitless, illimitable, unending, unceasing, continuous, perpetual. See eternal.
Collins Concise English Dictionary © HarperCollins Publishers::
'endless supply' also found in these entries (note: many are not synonyms or translations):