What does shutdown mean?
Shutdown is a versatile modern word meaning both a closure or suspension and the act of causing one. It commonly refers to the temporary or permanent cessation of a government agency, factory, business, computer system, or other organized operation. As a noun, shutdown can denote the event itself, as in “a factory shutdown,” or a period of inactivity, as in “a power shutdown.” As a verb, the standard spelling is shut down, with the words separated: “The engineers shut down the system.” The expression combines the familiar verb shut with the directional word down, giving it a sense of bringing an operation to a complete halt. While it can imply a routine safety procedure, shutdown also often carries a serious or disruptive connotation when a government, company, or public service stops operating. Its broad metaphorical use has made it especially common in news, technology, and business contexts.
The act of closing or suspending an organization, system, or facility, or a period during which this occurs.
"The power shutdown affected several hospitals."
Common in political, industrial, business, and technological contexts. The plural is shutdowns.
To close, suspend, or stop the operation of an organization, system, or facility.
"The plant shut down after its workers reached an agreement."
Usually written as the two-word phrasal verb shut down; simple past shut down and present participle shut down are standard forms.
The plural is used for separate closures or suspensions.
"Repeated shutdowns disrupted the service throughout the winter."
From a single verb-plus-preposition expression, shutdown became a word for the dramatic suspension or closure of an entire system or institution.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does shutdown come from?
Shutdown developed in the mid-20th century from the combination of shut and down, following the pattern of phrasal verbs such as close down and shut down. Its earliest uses were associated with the deliberate stopping of machinery, operations, or institutions. The form reflects the older Germanic verb shut, related to words such as shutter, while down specifies the action of bringing something to a lower or inactive state.
Related word forms
How shutdown is actually used
As a noun, shutdown is commonly written as one word, although shut-down is also traditional. As a verb, it is normally written as two words: shut down. The term can describe planned closures as well as abrupt or temporary suspensions.
Easily confused with shutdown
Shut can mean closed or to close, whereas shutdown usually refers to the complete cessation or suspension of an operation or system.