Simple Definition of gunk
: material that is dirty, sticky, or greasy
Full Definition of gunk
: filthy, sticky, or greasy matter
Examples of gunk in a sentence
The engine was all full of gunk.
I need to wipe this gunk off my hands.
Origin of gunk
from Gunk, trademark for a cleaning solvent
First Known Use: 1943
GUNK Defined for Kids
Definition of gunk for Students
: a dirty, greasy, or sticky substance
Learn More about gunk
Thesaurus: All synonyms and antonyms for "gunk"
Seen and Heard
What made you want to look up gunk? Please tell us where you read or heard it (including the quote, if possible).