crass 
/ˈkræs/ adjective
crass·er; crass·est /ˈkræs/ adjective [also more crass; most crass] disapproving : having or showing no understanding of what is proper or acceptable : rude and insensitive
▪ A few people seemed shocked by her crass comments.
▪ A few people seemed shocked by her crass comments.
— crass·ly adverb
▪ They were joking crassly about her appearance.
▪ They were joking crassly about her appearance.
— crass·ness noun [noncount]
