1
[ adjective ] not bearing a date

Synonyms

undated

Examples

"a dateless letter"

Related terms

undatable

2
[ adjective ] of such great duration as to preclude the possibility of being assigned a date

Examples

"dateless customs"

Related terms

undatable

3
[ adjective ] having no known beginning and presumably no end

Synonyms

sempiternal endless

Examples

"the dateless rise and fall of the tides" "time is endless" "sempiternal truth"

Related terms

infinite

4
[ adjective ] unaffected by time

Synonyms

timeless

Examples

"few characters are so dateless as Hamlet" "Helen's timeless beauty"

Related terms

unaltered

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