Definition of ghastly
1a : terrifyingly horrible to the senses : frightening a ghastly crimeb : intensely unpleasant, disagreeable, or objectionable such a life seems ghastly in its emptiness and sterility — Aldous Huxley
2 : resembling a ghost
3 obsolete : filled with fear
4 : very great a ghastly mistake
Examples of ghastly in a sentence
You're making a ghastly mistake.
His room was a ghastly mess.
Origin and Etymology of ghastly
Middle English gastly, from gasten to terrify — more at gast
First Known Use: 14th century
Synonym Discussion of ghastly
GHASTLY Defined for English Language Learners
Definition of ghastly for English Language Learners
: very shocking or horrible
: very bad
GHASTLY Defined for Kids
Seen and Heard
What made you want to look up ghastly? Please tell us where you read or heard it (including the quote, if possible).