grisly

grisly is an   Adverb

Definition:

[1] Frightful; horrible; dreadful; harsh; as, grisly locks; a grisly specter. "Grisly to behold." Chaucer. A man of grisly and stern gravity. Robynson (More`s Utopia). Grisly bear. (Zoöl.) See under Grizzly.

Synonyms: