ROGET THESAURUS
Costive
Taciturnity
N
taciturnity, silence, muteness, obmutescence, taciturnity, pauciloquy, costiveness, curtness, reserve, reticence, man of few words, silent, mute, mum, silent as a post, silent as a stone, silent as the grave, dumb, unconversable, taciturn, sparing of words, closetongued, costive, inconversable, curt, reserved, reticent, Int, shush!, tush!, silence!, mum!, hush!, chut!, hist!, tut!, chup!, mum's the word, keep your mouth shut!, cave quid dicis quando et cui, volto sciolto i pensieri stretti.