blocking software

noun
UK /ˈblɒkɪŋ ˈsɒftweə/
US /ˈblɑːkɪŋ ˈsɔːftwer/

Software that stops bad or unwanted things from showing up on a computer or phone.

My parents installed blocking software so I can't open websites that aren't safe for kids.


OTHER MEANINGS

2. Software that prevents specific programs or apps from running on a device.

The school's blocking software stops students from opening games during class.

3. Software that stops unwanted ads or pop-ups from appearing on a screen.

This blocking software keeps annoying pop-up ads from covering the page.

4. Software used to stop harmful or malicious network traffic from reaching a computer.

The company uses blocking software to keep hackers out of its network.