- an object or device that shuts (something) off: the automatic shutoff on a heater.
- an act or instance of shutting off something, as an opening, a flow, or a service: a shutoff of electric power due to unpaid bills.
Origin of shutoff
First recorded in 1865–70; noun use of verb phrase shut off
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for shutoff
Through June 30, service was severed to 15,200 customers, and about 92,000 remain in shutoff status.
The $9.5 million owed by non-residents would amount to $625 for each severed customer and $103 for those in shutoff status.
At the beginning of July, the department issued 10-day shutoff notices to 250 commercial customers.