Antonyms of adj reformable

1 sense of reformable

Sense 1
redeemable, reformable -- (susceptible to improvement or reform; "a redeemable sinner")

INDIRECT (VIA corrigible) -> incorrigible -- (impervious to correction by punishment)

Similarity of adj reformable

1 sense of reformable

Sense 1
redeemable, reformable -- (susceptible to improvement or reform; "a redeemable sinner")
       => corrigible (vs. incorrigible) -- (capable of being corrected or set right; "a corrigible defect"; "a corrigible prisoner")