Synonyms of taciturn

1 Syllable
whist, curt, mum, dumb, dour, quiet, cold, mute
2 Syllables
brooding, silent, withdrawn, quieter, quieted, speechless, dried-up, sparing, distant, quieting, quietest, close, aloof, whister, husher
3 Syllables
silentious, reserved, laconic, morose, reticent, sententious, tight-lipped
4 Syllables
secretive, unforthcoming, self-controlled, self-restrained, impassive, perversive, antisocial, close-mouthed, closemouthed, closelipped
5 Syllables
inobtrusive, unexpressive, inexcitable, untalkative
6 Syllables
uncompanionable
7 Syllables
uncommunicative