gastly · adjective1
- Middle English · inherited fromgastly
- English todaygastly
From Middle English gastly, equivalent to gast (“to frighten”) + -ly (adjective-forming suffix).
gastly · adverb2
From the adjective, equivalent to gast (“to frighten”) + -ly (adverb-forming suffix).
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.