Main entry: passionless
Definition: not passionate
Usage: passionless observation of human nature
Antonyms: passionate
Definition: having or expressing strong emotions
Main entry: emotionless, passionless
Definition: unmoved by feeling
Usage: he kept his emotionless objectivity and faith in the cause he served; this passionless girl was like an icicle in the sunshine-Margaret Deland
Antonyms: hot
Definition: used of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning
Antonyms: hot
Definition: extended meanings; especially of psychological heat; marked by intensity or vehemence especially of passion or enthusiasm