vul ‧ gar /ˈvʌlɡə $ -ər/ BrE AmE adjective
[ Date: 1300-1400 ; Language: Latin ; Origin: vulgaris , from volgus , vulgus 'common people' ]
1 . remarks, jokes etc that are vulgar deal with sex in a very rude and offensive way
2 . not behaving politely in social situations SYN uncouth :
vulgar behaviour
3 . not showing good judgment about what is beautiful or suitable:
a vulgar check suit
—vulgarly adverb