Synonyms of masklike

1 Syllable
stiff, dull
2 Syllables
vague, vacuous, stupid, fruitless, empty, vacant, deadpan, hollow
3 Syllables
lifeless, meaningless, inane
4 Syllables
immobile, noncommittal, inscrutable, impassive, poker-faced
5 Syllables
unexpressive, inexpressive
7 Syllables
uncommunicative