adj. 25B6; adjective UNEMOTIONAL, unaffectionate, impassive, dispassionate, restrained, reserved, unresponsive, uncommunicative, unforthcoming, stiff, guarded, aloof, distant, detached, remote, withdrawn; cool, cold, frosty, frigid; informal stand-offish.
UNDEMONSTRATIVE
Meaning of UNDEMONSTRATIVE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012