sidegrade /ˈsaɪd(ˌ)ɡɹeɪd/noun 2verb 1forms 3 noun2 •A form of upgrade involving a switch to a different but equivalent product, e.g. another manufacturer or another operating system. •A choice that is different from, but not objectively better or worse than, another. verb1 •To switch to a different but equivalent product. formssidegraded · sidegrading · sidegrades