brush-up From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA slight correction or modification.A review of a topic to be learned. Related wordsSynonymstouch-upadjustmentcorrectioncorrectingfix-uptrue-uprevisionrefresher courseupdaterefresherpatch-upreadjustmentadjustingcorrectiorevisecorrectant References Wiktionary — brush-up Wikipedia — brush-up