GRUBBY

[adjective] -ier, -iest [informal] - quite 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 honourable or acceptable.She sees the business of making money as just grubby opportunism.They made a grubby compromise with one of the opposition parties.He doesn't want this story to get into the grubby hands of the tabloid press (= to be obtained by newspapers who are not honourable).