Synonyms of undemonstrative in English:

undemonstrative


See definition of undemonstrative

adjective

1‘my grandmother was an undemonstrative woman’

SYNONYMS
unemotional, unaffectionate, impassive, dispassionate
self-contained, restrained, reserved, unresponsive, unmoved, unloving, unfriendly, unfeeling, passionless, wooden, uncommunicative, unforthcoming, sober, stiff, reticent, guarded, secretive, close, taciturn, aloof, distant, detached, remote, withdrawn
cool, cold, cold-blooded, chilly, frosty, frigid, glacial
informal stand-offish, offish
ANTONYMS

demonstrative, gushing