•
informal dirtyHe was wearing some old shorts and a grubby T-shirt.
Don't wipe your grubby hands on my clean towel!
•
disapproving If you describe an activity or someone's behaviour as grubby, you do not think that it is honest, fair or acceptableShe 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).