Antonyms of adj actionable

1 sense of actionable

Sense 1
actionable -- (affording grounds for legal action; "slander is an actionable offense")

INDIRECT (VIA unjust) -> just -- (used especially of what is legally or ethically right or proper or fitting; "a just and lasting peace"- A.Lincoln; "a kind and just man"; "a just reward"; "his just inheritance")

Similarity of adj actionable

1 sense of actionable

Sense 1
actionable -- (affording grounds for legal action; "slander is an actionable offense")
       => unjust (vs. just) -- (violating principles of justice; "unjust punishment"; "an unjust judge"; "an unjust accusation")