First love
Old flame and first love are semantically related. In some cases you can use "Old flame" instead a noun phrase "First love".
Old flame
First love and old flame are semantically related. You can use "First love" instead a noun phrase "Old flame".
Mutual synonyms
Both terms in one sentence
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Thankfully, an old flame from university, Shigehito Hasumi, has just that.Hasumi is Sumire's first love.
Source: Manga / Kimi Wa Petto -
He's referred to as her "first love" and she's obviously pretty close to him, so it can be construed as at least a subtexty New Old Flame.
Source: Manga / Soul Eater -
New Old Flame: In "First Love", Robin's former fiancé Olivia seeks the outlaw hero's help in rescuing her husband.
Cite this Source
Old flame and First love. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/first_love/old_flame
First love & Old flame. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/first_love/old_flame>.
Old flame or First love. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/first_love/old_flame.
Google Ngram Viewer shows how "first love" and "old flame" have occurred on timeline