Synonyms of uncommunicative

1 Syllable

short, whist, curt, mum, dumb, quiet

2 Syllables

dumbest, offish, silent, withdrawn, dumber, quieter, quieted, speechless, distant, mumer, quieting, guarded, hush-hush, quietest, close, aloof, whister, stoical, husher

3 Syllables

nonvocal, tightlipped, unsocial, silentious, reserved, standoffish, retiring, masklike, reticent, taciturn, tight-lipped, unspeaking, tongue-tied, softspoken

4 Syllables

secretive, unforthcoming, unimpressed, unaroused, self-controlled, self-restrained, unhearable, unsociable, indifferent, introverted, evasive, antisocial, close-mouthed, incoherent, closemouthed, inaudible, closelipped

5 Syllables

unapproachable, unresponsive, inobtrusive, incohesive

6 Syllables

uncompanionable, undemonstrative

7 Syllables

incommunicative