Synonyms of impassive in English:

impassive


See definition of impassive

adjective

1‘she smiled at him, but his features remained impassive’

SYNONYMS
expressionless, unexpressive, inexpressive, inscrutable, blank, deadpan, poker-faced, straight-faced, dispassionate
stony, wooden, unresponsive
empty, vacant, glazed, fixed, lifeless
ANTONYMS

expressive