datelessness
1datelessness — noun a) The state or condition of being dateless: timeless or undated. b) The state or condition of being dateless: without a date (romantic partner) …
2eternity — Synonyms and related words: Beulah, Beulah Land, Heaven, Land of Beulah, Paradise, a better place, aeon, afterlife, age, ages, all comprehensiveness, all inclusiveness, an eternity, better world, blue moon, boundlessness, ceaselessness, century,… …