long having or being more than normal or necessary:"long on brains"; "in long supply"
endless -
having the ends united so as to form a continuous whole; "an endless chain"
continuous,
uninterrupted continuing in time or space without interruption; "a continuous rearrangement of electrons in the solar atoms results in the emission of light"- James Jeans; "a continuous bout of illness lasting six months"; "lived in continuous fear"; "a continuous row of warehouses"; "a continuous line has no gaps or breaks in it"; "moving midweek holidays to the nearest Monday or Friday allows uninterrupted work weeks"
endless -
infinitely great in number; "endless waves"
infinite total and all-embracing; "God's infinite wisdom"
endless -
having no known beginning and presumably no end; "the dateless rise and fall of the tides"; "time is endless"; "sempiternal truth"