As an adjective undated
is not marked with a date or undated can be (botany) rising and falling in waves toward the margin, as a leaf; waved.
As a noun datelessness is
the state or condition of being dateless: timeless or undated.
undated
English
Etymology 1
Adjective
(-)
Not marked with a date.
Of a style that will not go out of fashion; a classic.
Etymology 2
(
etyl) (
lena) undatus, past participle of .
Adjective
(
en adjective)
(botany) Rising and falling in waves toward the margin, as a leaf; waved.
Anagrams
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datelessness
English
Noun
(-)
The state or condition of being dateless: timeless or undated.
The state or condition of being dateless: without a date (romantic partner).