preventable

adjective
UK /prɪˈvɛntəbl/
US /prɪˈvɛntəbəl/

Something preventable is something you can stop from happening.

Washing your hands makes many illnesses preventable.


OTHER MEANINGS

2. Able to be kept from occurring by taking action in advance.

The accident was preventable if the driver had slowed down.

3. Capable of being hindered or blocked before it starts.

Most fires in the home are preventable with working smoke alarms.

4. Able to be stopped from spreading or getting worse.

Doctors said the disease was preventable through vaccination.