Adjective
-
having the ends united so as to form a continuous whole
"an endless chain"
-
having no known beginning and presumably no end
"the dateless rise and fall of the tides"
"time is endless"
"sempiternal truth"
-
infinitely great in number
"endless waves"
-
tiresomely long
seemingly without end
"endless debates"
"an endless conversation"
"the wait seemed eternal"
"eternal quarreling"
"an interminable sermon"