endless in WordNet English dictionary

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