| undeclared(adjective, silent, nameless) |
| unexpressed(adjective, silent, nameless, mum, muffled) |
| unpronounced(silent, nameless, mum, muffled, unspoken) |
| aghast(silent, dazed, dumb, amazed, astonished) |
| amazed(silent, dazed, dumb, astonished, thunderstruck) |
| aphasiac(silent, mum, muffled, voiceless) |
| astonished(thunderstruck, flabbergasted) |
| astounded(silent, dazed, dumb, amazed, astonished) |
| buttoned up(expression, silent, dazed, dumb, astonished) |
| clammed up(expression, silent, dazed, dumb, astonished) |
| close-mouthed(silent, dazed, dumb, astonished, thunderstruck) |
| cool(dazed, amazed, astonished, thunderstruck, flabbergasted) |
| cool as cucumber(expression, idiom, silent, dazed, dumb) |
| dazed(silent, dumb, amazed, astonished, thunderstruck) |
| disfranchised |
| flabbergasted(astonished, thunderstruck) |
| gobsmacked(astonished, thunderstruck, flabbergasted) |
| hard |
| hidden(adjective, silent, unspoken) |
| implicit(adjective, silent, nameless, unspoken, unvoiced) |