dateless
['deitlis]
adj. 无日期的，无期限的；经住时间考验的；远古的
同义词
参考例子
1.the dateless rise and fall of the tides; time is endless; sempiternal truth.
永恒的潮起潮落；时间是无穷的；永恒的真理。
2.Waiting, dateless waiting without end, and in the end, the last chance of this century to dash to the Olympics became a visionary hope.
等待，无期限的漫长的等待，结果本世纪最后一次的冲击奥运会的机会都成 为了泡影。
3.Antigone represents "family values" but at the same time something "deeper" (if not higher), connected with religion, the unwritten dateless laws.
安提冈尼代表的“家族价值”，也更深层（如果不算更高）的接触到宗教面，一种非成文的、不知何时颁布的法律。
英文解释
adj.
1.having no known beginning and presumably no end
2.of such great duration as to preclude the possibility of being assigned a date
3.not bearing a date
4.unaffected by time
网络释义
dateless
无期限的; 无日期的; 无日期; 虽旧仍好的;