Antonyms of adj soulful

1 sense of soulful

Sense 1
soulful -- (full of or expressing deep emotion; "soulful eyes"; "soulful music")

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

Similarity of adj soulful

1 sense of soulful

Sense 1
soulful -- (full of or expressing deep emotion; "soulful eyes"; "soulful music")
       => emotional (vs. unemotional) -- (of more than usual emotion; "his behavior was highly emotional")