Besides
Besides adverb - In addition.
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Synonyms for Besides
Outside of is a synonym for besides (North American) in apart from topic. In some cases you can use "Outside of" instead the word "Besides" as a preposition or an adverb. informal substitute
Outside of
Outside of preposition - Not including.
Usage example: outside of that project you don't like, I don't think you have many choices
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Synonyms for Outside of
Besides is a synonym for outside of in except for topic. You can use "Besides" instead the phrase "Outside of" as a preposition or an adverb, if it concerns topics such as other than.
Mutual synonyms
Both terms in one sentence
- Ma-ri and her entire family in Orange Marmalade are this with any food outside of pork, justified because they're vampires who can't eat anything besides pork.
Source: Lethal Chef / Web Comics -
Buffy's still the only person besides Dawn in the entire Scooby Gang he hangs out with outside of parties and slaying.
Source: Living Emotional Crutch - Besides, Harry does stand up for Neville at one point in first year, and tells off the other first year Slytherins for picking on pure-bloods outside of Slytherin.
Cite this Source
Outside of and Besides. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/besides/outside_of
Besides & Outside of. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/besides/outside_of>.
Outside of or Besides. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/besides/outside_of.
Google Ngram Viewer shows how "besides" and "outside of" have occurred on timeline