Antonyms of adj preventable

1 sense of preventable

Sense 1
preventable (vs. unpreventable) -- (capable of being prevented; "conscious of preventable human suffering"- A.L.Guerard)

unpreventable (vs. preventable) -- (not preventable; "unpreventable hysteria")

Similarity of adj preventable

1 sense of preventable

Sense 1
preventable (vs. unpreventable) -- (capable of being prevented; "conscious of preventable human suffering"- A.L.Guerard)