From Longman Dictionary of Contemporary Englishbesidesbe‧sides /bɪˈsaɪdz/ ●●○ adverb, preposition informal 🔊 🔊 1AND/ALSO spoken used when adding another reason 🔊 I need the money. And besides, when I agree to do something, I do it.RegisterIn written English, people do not usually use besides as a sentence adverb. They start a sentence with the more formal moreover instead:Moreover, smoking is linked with heart disease and strokes.2in addition to someone or something else that you are mentioning 🔊 The area has stunning scenery, beautiful beaches, and much more besides. 🔊 People choose jobs for other reasons besides money. 🔊 Besides myself, the only English people there were Keith and Doreen.besides doing something 🔊 Besides being heartbroken, she felt foolish.
Examples from the Corpus
besides• Besides going to aerobics twice a week, she rideshorses on Saturdays.• Sonya says she couldn't get here through all the snow. Besides, her car's broken down.• I wanted to help her out. Besides, I needed the money.• I don't mindpicking up your things from the store. Besides, the walk will do me good.