What does gunked mean?
Gunked is an informal English word meaning covered, smeared, or clogged with dirty, sticky material. As an adjective, it describes surfaces fouled with grease, mud, food, or other residue, and it is especially vivid when applied to an engine, tool, pipe, or appliance whose accumulated grime is preventing proper operation. The related expression “gunked up” is common in everyday speech and technical troubleshooting contexts. Gunked can also function as the past tense or past participle of the verb “gunk,” meaning to put such material on something or fill it with residue. The word has a strongly practical and often slightly humorous tone: a machine described as gunked is not merely untidy but visibly obstructed by accumulated dirt. Although it may appear in informal writing and conversation, it is less suitable for formal technical prose unless the context deliberately uses colloquial language.
Covered or smeared with gunk, or clogged with dirty, sticky residue.
"The fuel injector was gunked with old oil and prevented the engine from running smoothly."
Informal; especially common with machinery and in the phrase “gunked up.”
To put gunk on something or fill something with dirty, sticky material; to make something gunked.
"He gunked the rusty hinge with grease before moving it."
The past tense and past participle are both “gunked”; usage is informal.
“Gunked” captures the moment a machine has collected so much grease and debris that it is practically sealed inside its own filth.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does gunked come from?
Gunked was formed by adding the regular English -ed ending to gunk, a noun and verb associated with dirty or sticky material and with putting such material on something. The precise origin of gunk is uncertain, although it is established as an informal English word. In modern usage, gunked has developed a particularly common mechanical sense, describing equipment clogged by grease, dirt, or debris.
Related word forms
How gunked is actually used
This is an informal and somewhat vivid term. It is especially common in descriptions of engines, tools, pipes, and other equipment, where it suggests either a dirty surface or a blockage that may impair function. The expression “gunked up” is particularly idiomatic.
Easily confused with gunked
“Gunked” emphasizes being covered or clogged with dirty, sticky material, whereas “gummed” more often means stuck or blocked by a sticky substance such as gum or residue.