Antonyms of adj affective

1 sense of affective

Sense 1
affectional, affective, emotive -- (characterized by emotion)

INDIRECT (VIA emotional) -> unemotional -- (unsusceptible to or destitute of or showing no emotion)

Similarity of adj affective

1 sense of affective

Sense 1
affectional, affective, emotive -- (characterized by emotion)
       => emotional (vs. unemotional) -- (of more than usual emotion; "his behavior was highly emotional")