Goof

Morpheme

Goof

Type

free base

Denotation

mistake or error, stupid person

Etymology

unknown origin; perhaps from Modern English goff, Middle English goffen, or Old English gaf, ġegaf, ġegaf, gaffetung

Evidence

goof, goofball, goofed, goofer, goofery, goofing, goofish, goofproof, goofs, goofus, goofy