Antonyms of adj remedial

2 senses of remedial

Sense 1
remedial -- (tending or intended to rectify or improve; "a remedial reading course"; "remedial education")

INDIRECT (VIA bettering) -> worsening -- (changing for the worse; "worried by the worsening storm")

Sense 2
curative, healing (predicate), alterative, remedial, sanative, therapeutic -- (tending to cure or restore to health; "curative powers of herbal remedies"; "her gentle healing hand"; "remedial surgery"; "a sanative environment of mountains and fresh air"; "a therapeutic agent"; "therapeutic diets")

INDIRECT (VIA healthful) -> unhealthful -- (detrimental to good health; "unhealthful air pollution"; "unhealthful conditions in old apartments with peeling lead-based paint")

Similarity of adj remedial

2 senses of remedial

Sense 1
remedial -- (tending or intended to rectify or improve; "a remedial reading course"; "remedial education")
       => bettering (vs. worsening) -- (changing for the better)

Sense 2
curative, healing (predicate), alterative, remedial, sanative, therapeutic -- (tending to cure or restore to health; "curative powers of herbal remedies"; "her gentle healing hand"; "remedial surgery"; "a sanative environment of mountains and fresh air"; "a therapeutic agent"; "therapeutic diets")
       => healthful (vs. unhealthful) -- (conducive to good health of body or mind; "a healthful climate"; "a healthful environment"; "healthful nutrition"; "healthful sleep"; "Dickens's relatively healthful exuberance")