[adjective] infinitely great in number; "endless waves"
[adjective] having no known beginning and presumably no end; "the dateless rise and fall of the tides"; "time is endless"; "sempiternal truth" Synonyms:dateless, sempiternal
[adjective] having the ends united so as to form a continuous whole; "an endless chain"
[adjective] occurring so frequently as to seem ceaseless or uninterrupted; "a child's incessant questions"; "your perpetual (or continual) complaints" Synonyms:incessant, perpetual