gruesome
Concise Oxford English Dictionary © 2008 Oxford University Press:
gruesome/ˈɡruːsəm/
▶adjective causing repulsion or horror.
■ informal very unpleasant.
– derivatives
gruesomely adverb,
gruesomeness noun.
gruesomely adverb,
gruesomeness noun.
'gruesome' also found in these Oxford entries:

