Synonyms of unexpressive

1 Syllable

curt, mum, dumb, dour, quiet, cold, mute

2 Syllables

brooding, silent, withdrawn, speechless, dried-up, sparing, distant, close, aloof

3 Syllables

tightlipped, reserved, laconic, masklike, reticent, sententious, taciturn, tight-lipped

4 Syllables

unforthcoming, pokerfaced, antisocial, close-mouthed, expressionless

7 Syllables

incommunicative