Best friend
Best friend noun - The one friend who is closest to you.
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Synonyms for Best friend
Best mate and best friend are semantically related. In some cases you can use "Best mate" instead a noun phrase "Best friend".
Best mate
Best friend and best mate are semantically related. You can use "Best friend" instead a noun phrase "Best mate".
Mutual synonyms
Cite this Source
Best mate and Best friend. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/best_friend/best_mate
Best friend & Best mate. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/best_friend/best_mate>.
Best mate or Best friend. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/best_friend/best_mate.
Google Ngram Viewer shows how "best friend" and "best mate" have occurred on timeline