poker-faced vs unexpressive

poker-faced and unexpressive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
poker-faced	No	Yes	No	No
unexpressive	No	Yes	No	No

As adjectives, poker-faced and unexpressive are synonyms defined as:

Other synonyms of poker-faced include deadpan, expressionless, impassive.

poker-faced (adjective)	unexpressive (adjective)
deliberately impassive in manner	deliberately impassive in manner