›informaldirty: He was wearing some old shorts and a grubby T-shirt.Don't wipe your grubby hands on my clean towel!Dirty and untidy›disapprovingIf you describe an activity or someone's behaviour as grubby, you do not think that it is honest, fair, or acceptable: She sees the business of making money as just grubby opportunism.He doesn't want this story to get into the grubby hands of the tabloid press (= to be obtained by newspapers who are not honest and fair).Humiliating and degrading