Indefinitely long period
Time immemorial and indefinitely long period are semantically related. in forever topic. In some cases you can use "Time immemorial" instead a noun phrase "Indefinitely long period".
Time immemorial
Time immemorial noun - The distant past beyond memory.
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Synonyms for Time immemorial
Indefinitely long period and time immemorial are semantically related. You can use "Indefinitely long period" instead a noun phrase "Time immemorial".
Mutual synonyms
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Time immemorial and Indefinitely long period. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/indefinitely_long_period/time_immemorial
Indefinitely long period & Time immemorial. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/indefinitely_long_period/time_immemorial>.
Time immemorial or Indefinitely long period. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/indefinitely_long_period/time_immemorial.