/ ˈgrʌbi; NAmE / adjective ( grub·bier , grub·bi·est )
1.
rather dirty, usually because it has not been washed or cleaned :
grubby hands / clothes
➡ note at dirty
2.
unpleasant because it involves activities that are dishonest or immoral
SYN sordid :
a grubby scandal
► grubbi·ness noun [ U ]