beside /bɪˈsaɪd/preposition 3adverb 1phrases 1 preposition3 •just to the left or right of someone or something, and very close •Not relevant to.That is beside the point / beside the topic / beside the subject / beside the focus of this discussion. •Besides; in addition to.I'll need another dictionary beside this one. adverb1 •(literary) Otherwise; else; in addition; besides.April 8 1805, Samuel Taylor Coleridge, "Orange Blossom" O how the honey tells the tale of its birthplace to the sense of sight and odour! and to how many minute and uneyeable insects beside! Phrases with beside beside the pointIrrelevant, moot.