D defs.my
Entry 1 sense Webster, 1913

emotionless

· e·mo·tion·less · IPA
01 adj. unsusceptible to, destitute of, or showing no emotion; unmoved by feeling. Opposite of emotional; as, he kept his emotionless objectivity …
  1. 1.
    unsusceptible to, destitute of, or showing no emotion; unmoved by feeling. Opposite of emotional; as, he kept his emotionless objectivity and faith in the cause he served.