Back when
Not present and back when are semantically related. In some cases you can use "Not present" instead an adverb phrase "Back when".
Not present
Back when and not present are semantically related. Sometimes you can use "Back when" instead an adverb phrase "Not present".
Cite this Source
Not present and Back when. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/back_when/not_present
Back when & Not present. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/back_when/not_present>.
Not present or Back when. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/back_when/not_present.
Google Ngram Viewer shows how "back when" and "not present" have occurred on timeline