资料来源 : pyDict

无限;无边;永恒

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Endlessness \End"less*ness\, n. [AS. endele['a]snys.]
   The quality of being endless; perpetuity.

资料来源 : WordNet®

endlessness
     n : the property of being (or seeming to be) without end