/ ˈendləs; NAmE / adjective
1.
very large in size or amount and seeming to have no end
SYN limitless :
endless patience
endless opportunities for making money
The possibilities are endless.
an endless list of things to do
We don't have an endless supply of money, you know.
2.
continuing for a long time and seeming to have no end :
an endless round of parties and visits
The journey seemed endless.
I've had enough of their endless arguing.
3.
( technical ) ( of a loop , etc. ) having the ends joined together so it forms one piece :
an endless loop of tape
► end·less·ly adverb :
She talks endlessly about her problems.
an endlessly repeated pattern
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WORD ORIGIN
Old English endelēas (see end , -less ).