Antonyms of adj derivational

1 sense of derivational

Sense 1
derivational (vs. inflectional) -- (characterized by inflections indicating a semantic relation between a word and its base; "the morphological relation between `sing' and `singer' and `song' is derivational")

inflectional (vs. derivational) -- (characterized by inflections indicating grammatical distinctions; "inflectional morphology is used to indicate number and case and tense and person etc.")

Similarity of adj derivational

1 sense of derivational

Sense 1
derivational (vs. inflectional) -- (characterized by inflections indicating a semantic relation between a word and its base; "the morphological relation between `sing' and `singer' and `song' is derivational")