unexpressive
adjectiveNot conveying the meaning intended or the emotion felt.
adjectiveInexpressible.
Not expressive; deficient in expression.
Not to be expressed; inexpressible; unutterable; ineffable.
adjectiveNot expressive; not having the power of utterance; inexpressive.
adjectiveIncapable of being expressed; inexpressible; unutterable; ineffable.
adjectiveNot
deliberately impassive in manner