| Solution | Length | |
|---|---|---|
| 3 letters | ||
| mum | 3 | |
| nod | 3 | |
| 4 letters | ||
| hiss | 4 | |
| scat | 4 | |
| omen | 4 | |
| curt | 4 | |
| mute | 4 | |
| snug | 4 | |
| dumb | 4 | |
| mime | 4 | |
| 5 letters | ||
| instr | 5 | |
| groan | 5 | |
| terse | 5 | |
| close | 5 | |
| quiet | 5 | |
| short | 5 | |
| brief | 5 | |
| tacit | 5 | |
| 6 letters | ||
| untold | 6 | |
| unsung | 6 | |
| unsaid | 6 | |
| silent | 6 | |
| 7 letters | ||
| lascala | 7 | |
| Aphasic | 7 | |
| laconic | 7 | |
| aphonic | 7 | |
| concise | 7 | |
| implied | 7 | |
| brusque | 7 | |
| anaudic | 7 | |
| 8 letters | ||
| unvoiced | 8 | |
| reticent | 8 | |
| INFERRED | 8 | |
| unspoken | 8 | |
| taciturn | 8 | |
| reserved | 8 | |
| implicit | 8 | |
| 9 letters | ||
| unuttered | 9 | |
| unwritten | 9 | |
| voiceless | 9 | |
| 10 letters | ||
| DUMBSTRUCK | 10 | |
| speechless | 10 | |
| tongueless | 10 | |
| breathless | 10 | |
| understood | 10 | |
| UNRECORDED | 10 | |
| UNDECLARED | 10 | |
| word-bound | 10 | |
| 11 letters | ||
| untalked-of | 11 | |
| UNEXPRESSED | 11 | |
| UNPUBLISHED | 11 | |
| untalkative | 11 | |
| tongue-tied | 11 | |
| DUMBFOUNDED | 11 | |
| unmentioned | 11 | |
| 12 letters | ||
| unproclaimed | 12 | |
| dumbstricken | 12 | |
| unpronounced | 12 | |
| INARTICULATE | 12 | |
| closemouthed | 12 | |
| tight-lipped | 12 | |
| close-lipped | 12 | |
| unloquacious | 12 | |
| 13 letters | ||
| stricken-dumb | 13 | |
| close-tongued | 13 | |
| 15 letters | ||
| UNCOMMUNICATIVE | 15 | |
| 16 letters | ||
| sparing-of-words | 16 | |
| 18 letters | ||
| indisposed-to-talk | 18 | |
| 19 letters | ||
| economical-of-words | 19 | |