grisly

Word: grisly

Context Sentence: Harry's sixteenth brithday clebrations were marred by grisly tidings brought to the party by Remus Lupin.

Source: Harry potter and the Half-Blood Prince

Definition: adj. extremely unpleasant and frightening and usually connected with death and violence

Reference: Advanced Learner's English-Chinese Dictionary, Oxford, P772

Memonic: terrible