Emotionless is a related term of dispassionate.
As adjectives the difference between emotionless and dispassionate
is that emotionless is lacking emotion while dispassionate is not showing, and not affected by emotion, bias, or prejudice.
dispassionate
English
Adjective
(
en adjective)
not showing, and not affected by emotion, bias, or prejudice
Synonyms
* nonpassionate
* unpassionate
Antonyms
* passionate
Derived terms
* dispassionately
* dispassionateness