avoidable

Capable of being vacated; liable to be annulled or made invalid; voidable.

Capable of being avoided, shunned, or escaped.

The minister confessed that many of the deaths were avoidable.

Beyond the avoidable deaths that are already visible, something ominous is happening below the surface in crisis zones.

Something that can or should be avoided.

Though Mrs Golson re-appeared regularly at the Twyborns', she was on my list of avoidables from the night of the corked moustache until she sprang upon us yesterday.