| temper(verb, cover, ease, moderate, diminish) |
| throttle(verb, hide, contain, conceal, retain) |
| torpedo(verb, stop, restrain, curb, suppress) |
| trammel(verb, stop, restrain, curb, suppress) |
| undo(verb, cancel, reverse, void, overturn) |
| vacate(verb, cancel, reverse, void, overturn) |
| varnish(verb, cover, ease, moderate, diminish) |
| veneer(verb, cover, ease, moderate, diminish) |
| veto(verb, cancel, reverse, void, overturn) |
| vindicate(verb, cover, ease, moderate, diminish) |
| vitiate(verb, cancel, reverse, void, overturn) |
| void(verb, cancel, reverse, overturn, nullify) |
| watergate(verb, cancel, reverse, void, overturn) |
| white(verb, cover, ease, moderate, diminish) |
| whiten(verb, cover, ease, moderate, diminish) |
| Belt up |
| Button your lip |
| Hold your tongue |
| Mum's the word |
| Shut your face |