Which Word Means Impassive?

Some common synonyms of impassive are apathetic, phlegmatic, stoic, and stolid. While all these words mean "unresponsive to something that might normally excite interest or emotion," impassive stresses the absence of any external sign of emotion in action or facial expression.

Is impassively a word?

Meaning of impassively in English

in a way that expresses no emotion or reaction: The defendant sat impassivelynext to his lawyer while evidence was given against him. He stared impassively out of the window.

Is impassive an adjective?

Having, or revealing, no emotion. Still or motionless.