dummied up

buttoned-up clammed up close close-lipped have tight chops hush-hush quiet reticent sedate taciturn tight-lipped uncommunicative zipped one's lips

chatty open talkative

muted

checked close curbed faint hush iced inhibited mute

bashful buttoned-up clammed up closed-up closemouthed dumb inarticulate incoherent inconversable indistinct laconic mousy mum noiseless nonvocal not talkativ

bold

bashful hesitant mum reserved restrained shy silent taciturn

clammed up close close-mouthed dried-up tight-lipped uncommunicative unforthcoming unspeaking uptight

communicative confident extroverted outgoing talkative unreserved unshy

forward unrestrained

hushed mum mute restrained reticent

bashful buttoned-up checked clammed up close closed-up closemouthed curbed dumb faint hush iced inarticulate incoherent inconversable indistinct inhibited laconic mousy muted noiseless nonvocal not talkative reserved shy silentious soundless still struck dumb taciturn tongue-tied unclear uncommunicative unheard unsociable unspeaking voiceless wordless zipped

clamorous communicative explicit noisy talkative tangible