'Preventable' definitions:

Definition of 'preventable'

From: WordNet
adjective
Capable of being prevented; "conscious of preventable human suffering"- A.L.Guerard [ant: unpreventable]

Definition of 'Preventable'

From: GCIDE
  • Preventable \Pre*vent"a*ble\, a. Capable of being prevented or hindered; as, preventable diseases. [1913 Webster]