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