adj. 25B6; adjective RESERVED, undemonstrative, sober, restrained, passionless, emotionless, unsentimental, unexcitable, impassive, phlegmatic, stoical, equable; cold, cool, unfeeling.
UNEMOTIONAL
Meaning of UNEMOTIONAL in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012