Translation guide
The act of making something inactive or turning it off, often used for accounts, devices, or systems.
To stop a device or feature from operating, often temporarily.
General term for stopping or halting a function or device. Can be used for both temporary and permanent deactivation.
I deactivated the system.
Specifically means making something invalid or disabling a feature. Common in software settings.
Please deactivate this feature.
Casual way to say 'turn off'. Used for switches, settings, or devices.
I turned off the Wi-Fi.
To temporarily disable an online account or service without permanently deleting it.
To neutralize or render harmless a substance or organism.
To disarm or render safe an explosive device.
停止 (ていし) is a general term for stopping or halting, while 無効化 (むこうか) specifically means disabling a function or making it invalid. Use 停止 for devices and accounts, and 無効化 for software features or settings.
Stop the service.
Disable notifications.
There is no single Japanese verb that covers all uses of 'deactivate'. Choose the appropriate term based on context: 停止 for stopping, 無効化 for disabling, 不活性化 for chemical deactivation, etc.
Your account may be deactivated.
I temporarily deactivated my account.
毒素を無毒化する処理。
A process to deactivate the toxin.