preventably

adverb
UK /prɪˈvɛntəbli/
US /prɪˈvɛntəbli/

In a way that could have been stopped before it happened.

The accident was preventably caused by a loose bolt that no one checked.


OTHER MEANINGS

2. In a manner that could be kept from occurring through advance action.

The disease spread preventably because vaccinations were delayed.

3. In a way that could have been blocked or hindered beforehand.

The data breach was preventably allowed by weak passwords.

4. In a manner that could have been stopped by taking proper precautions.

The fire was preventably started by leaving a candle unattended.