adj. 25B6; adjective RESERVED, withdrawn, introverted, inhibited, diffident, shy; uncommunicative, unforthcoming, unresponsive, tight-lipped, quiet, taciturn, silent, guarded, secretive.
expansive.
RETICENT
Meaning of RETICENT in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012