Expressions about someone who can be trusted to keep a secret: “Don’t worry about him, he’ll ________.”
| KEEP HIS MOUTH SHUT | 183 |
| KEEP IT | 135 |
| KEEP MUM | 84 |
| BE CLOSE-MOUTHED | 77 |
| KEEP QUIET | 61 |
| NEVER TELL | 61 |
| KEEP IT TO HIMSELF | 37 |
| BE TIGHT-LIPPED | 33 |
| KEEP IT UNDER HIS HAT | 27 |
| NR | 24 |
| CLAM UP | 20 |
| WON’T TELL | 19 |
| BE QUIET | 18 |
| KEEP IT QUIET | 18 |
| HE’S TRUSTWORTHY | 16 |
| BE O.K. | 15 |
| BE ALL RIGHT | 14 |
| KEEP HIS MOUTH CLOSED | 12 |
| NOT TELL | 12 |
| BE TRUSTWORTHY | 11 |
| KEEP HIS LIPS SEALED | 11 |
| KEEP THE SECRET | 11 |
| WON’T TALK | 11 |
| KEEP A TIGHT LIP | 10 |
| KEEP HIS TRAP SHUT | 10 |
| HE’S ALL RIGHT | 9 |
| HE’S O.K. | 9 |
| BE SILENT | 8 |
| BE TIGHT-MOUTHED | 8 |
| CAN BE TRUSTED | 8 |
| BE MUM | 7 |
| KEEP A SECRET | 7 |
| KEEP HIS WORD | 7 |
| HE’S CLOSE-MOUTHED | 6 |
| KEEP HIS LIP BUTTONED | 6 |
| WON’T SQUEAL | 6 |
| HIS LIPS ARE SEALED | 4 |
| KEEP A CLOSE MOUTH | 4 |
| KEEP STILL | 4 |
| WON’T TELL IT | 4 |
| YOU CAN DEPEND ON HIM | 4 |
| BE FAITHFUL | 3 |
| BE SAFE | 3 |
| HE’S GOOD AS GOLD | 3 |
| HE’S TIGHT-LIPPED | 3 |
| HE’S TRUE-BLUE | 3 |
| HOLD HIS TONGUE | 3 |
| KEEP SILENT | 3 |
| KEEP TIGHT | 3 |
| NEVER SQUEAL | 3 |
| SHUT UP LIKE A CLAM | 3 |
| STAND PAT | 3 |
| WON’T LET IT OUT | 3 |
| WON’T SPILL IT | 3 |
| WON’T SPILL THE BEANS | 3 |
| BE COOL | 2 |
| BE DEPENDABLE | 2 |
| BE QUIET ABOUT IT | 2 |
| BE QUIET AS A MOUSE | 2 |
| BE STILL | 2 |
| BE TRUE-BLUE | 2 |
| CAN BE DEPENDED ON | 2 |
| CAN KEEP A SECRET | 2 |
| COME THROUGH | 2 |
| HE’S DEPENDABLE | 2 |
| HE’S FAITHFUL | 2 |
| HE’S HONEST | 2 |
| HE’S RELIABLE | 2 |
| HE’S SAFE | 2 |
| KEEP A CLOSED MOUTH | 2 |
| KEEP A TIGHT MOUTH | 2 |
| KEEP HIS LIP BUTTONED UP | 2 |
| KEEP HIS LIPS CLOSED | 2 |
| KEEP IT A SECRET | 2 |
| KEEP IT MUM | 2 |
| KEEP QUIET ABOUT IT | 2 |
| NEVER LET YOU DOWN | 2 |
| NEVER MENTION IT | 2 |
| NEVER SAY A WORD | 2 |
| NEVER TELL IT | 2 |
| NOT TALK | 2 |
| SEAL HIS LIPS | 2 |
| SHUT UP | 2 |
| TIGHT-LIPPED | 2 |
| WON’T BLAB | 2 |
| WON’T LET YOU DOWN | 2 |
| WON’T SAY A WORD | 2 |
| WON’T SAY ANYTHING | 2 |
| WON’T TELL ANYBODY | 2 |
| YOU CAN RELY ON HIM | 2 |
| ABIDE BY HIS WORD | 1 |
| ACT DUMB | 1 |
| ANYTHING’S SAFE WITH HIM | 1 |
| BE A CLAM | 1 |
| BE A SHUT-MOUTH | 1 |
| BE A SPHINX | 1 |
| BE A TIGHT-MOUTH | 1 |
| BE AS SECRET AS A GRAVE | 1 |
| BE AS SILENT AS A GRAVE | 1 |
| BE CAREFUL | 1 |
| BE CLOSE-LIPPED | 1 |
| BE DEPENDED UPON | 1 |
| BE DUMB AS AN OYSTER | 1 |
| BE HONEST | 1 |
| BE LOYAL | 1 |
| BE MUM ABOUT IT | 1 |
| BE QUIET-MOUTHED | 1 |
| BE RELIABLE | 1 |
| BE SEALED LIPS | 1 |
| BE SHUT-MOUTHED | 1 |
| BE SILENT AS A TOMB | 1 |
| BE SILENT AS THE GRAVE | 1 |
| BE SILENT AS TOMB | 1 |
| BE TIGHT AS A CLAM | 1 |
| BE TRUE | 1 |
| BE TRUE TO A CAUSE | 1 |
| BE TRUE TO A TRUST | 1 |
| BE TRUSTED | 1 |
| BLABBER | 1 |
| BUTTON HIS LIP | 1 |
| BUTTON HIS MOUTH | 1 |
| BUTTON UP HIS LIP | 1 |
| CAN BE DEPENDED UPON | 1 |
| CLOSE HIS LIP | 1 |
| CLOSE UP LIKE A CLAM | 1 |
| DIE ON IT | 1 |
| DO ALL RIGHT | 1 |
| DO WHAT HE SAID HE WOULD | 1 |
| DOESN’T EAT COOTER LIVER | 1 |
| DON’T TALK | 1 |
| DON’T TELL NOTHING | 1 |
| GOOD AS GOLD | 1 |
| GOSSIP | 1 |
| GUARD IT | 1 |
| GUARD IT CAREFULLY | 1 |
| GUARD IT WITH HIS LIFE | 1 |
| HAS A CLOSED TRAP | 1 |
| HAVE MY CONFIDENCE | 1 |
| HE’S A CLAM | 1 |
| HE’S A GOOD EGG | 1 |
| HE’S A REGULAR CLAM | 1 |
| HE’S A SHUT-MOUTH | 1 |
| HE’S A SPHINX | 1 |
| HE’S A TIGHT MOUTH | 1 |
| HE’S AS DEEP AS A WELL | 1 |
| HE’S AS GOOD AS HIS WORD | 1 |
| HE’S CLOSE-LIPPED | 1 |
| HE’S LIKE A CLAM | 1 |
| HE’S LOCKED UP | 1 |
| HE’S MUM | 1 |
| HE’S MUM AS A WORD | 1 |
| HE’S NO BLABBERMOUTH | 1 |
| HE’S QUIET AS A CLAM | 1 |
| HE’S SAFE AS THE BANK OF ENGLAND | 1 |
| HE’S SOLID AS A JUG | 1 |
| HE’S SOLID AS GIBRALTAR | 1 |
| HE’S SOLID AS GOLD | 1 |
| HE’S TIGHT-MOUTHED | 1 |
| HE’S TO BE TRUSTED | 1 |
| HE’S TOPS | 1 |
| HE’S TRUE BLUE | 1 |
| HE’S TRUSTABLE | 1 |
| HE’S UNTRUSTWORTHY | 1 |
| HIS MOUTH IS SEALED | 1 |
| HIS WORD IS GOOD | 1 |
| HIS WORD IS HIS BOND | 1 |
| HOLD IT | 1 |
| I COULD TRUST HIM | 1 |
| IS PURE GOLD | 1 |
| KEEP A CLOSE-MOUTHED | 1 |
| KEEP A SHUT MOUTH | 1 |
| KEEP A STILL TONGUE IN HIS HEAD | 1 |
| KEEP CLOSE-MOUTHED | 1 |
| KEEP COOL | 1 |
| KEEP HE TONGUE TIED | 1 |
| KEEP HIS BUSINESS | 1 |
| KEEP HIS COUNSEL | 1 |
| KEEP HIS HEAD | 1 |
| KEEP HIS LIP | 1 |
| KEEP HIS LIP TIGHT | 1 |
| KEEP HIS LIPS BUTTONED | 1 |
| KEEP HIS MOUTH CLOSE | 1 |
| KEEP HIS TRAP CLOSED | 1 |
| KEEP HIS YAP SHUT | 1 |
| KEEP IT CONFIDENT | 1 |
| KEEP IT CONFIDENTIAL | 1 |
| KEEP IT DARK | 1 |
| KEEP IT DEFINITE | 1 |
| KEEP IT HIDDEN | 1 |
| KEEP IT HUSHED | 1 |
| KEEP IT IN HIS HEAD | 1 |
| KEEP IT INSIDE OF HIM | 1 |
| KEEP IT SECRET | 1 |
| KEEP IT SUB ROSA | 1 |
| KEEP IT TIGHT | 1 |
| KEEP IT UNDER HIS PILLOW | 1 |
| KEEP IT WITHIN HIM | 1 |
| KEEP SILENCE | 1 |
| KEEP THAT | 1 |
| KEEP THAT UNDER HIS COLLAR | 1 |
| KEEP THE LID ON IT | 1 |
| KEEP THINGS | 1 |
| KEEP THINGS TO HIMSELF | 1 |
| KEEP TIGHT LIPS | 1 |
| KEEP YOUR CONFIDENCE | 1 |
| KEEP YOUR SECRET | 1 |
| KEEPS HIS MOUTH SHUT | 1 |
| KNOWS HOW TO KEEP HIS WORD | 1 |
| KNOWS HOW TO KEEP QUIET | 1 |
| LAY LOW | 1 |
| LIE LOW | 1 |
| LOUD MOUTH | 1 |
| MAKE IT | 1 |
| MIND HIS OWN BUSINESS | 1 |
| MUM | 1 |
| NEVER CHEEP IT | 1 |
| NEVER DIVULGE A SECRET | 1 |
| NEVER DIVULGE IT | 1 |
| NEVER LET IT OUT | 1 |
| NEVER LET IT SLIP | 1 |
| NEVER OPEN HIS MOUTH | 1 |
| NEVER OPEN HIS TRAP | 1 |
| NEVER OPEN UP HIS MOUTH | 1 |
| NEVER SAY ONE THING | 1 |
| NEVER SPILL THE BEANS | 1 |
| NEVER TELL A SOUL | 1 |
| NEVER WHIMPER IT | 1 |
| NOT BE A BLABBERMOUTH | 1 |
| NOT BLAB | 1 |
| NOT DIVULGE A SECRET | 1 |
| NOT GIVE IT AWAY | 1 |
| NOT SNITCH | 1 |
| NOT SPEAK | 1 |
| NOT SQUEAL | 1 |
| NOT TELL ANYBODY | 1 |
| NOT TELL IT | 1 |
| PLAY DUMB | 1 |
| PLAY IT SHUT-MOUTH | 1 |
| PLAY SHUT-MOUTH | 1 |
| SAY NOTHING | 1 |
| SEE YOU THROUGH | 1 |
| SHE WON’T SQUEAL UNLESS YOU GET HER UP A PEACH TREE | 1 |
| SIT ON IT TOO | 1 |
| STAND BY YOU | 1 |
| STAY CLAMMY | 1 |
| STAY HITCHED | 1 |
| STAY QUIET | 1 |
| STAY QUIET AS A CLAM | 1 |
| STICK TIGHT | 1 |
| TAKE CARE OF HIMSELF | 1 |
| TAKE CARE OF IT | 1 |
| TELL NO ONE | 1 |
| TIGHT | 1 |
| TIGHT AS A CLAM | 1 |
| TIGHT-MOUTH | 1 |
| USE JUDGMENT | 1 |
| WON’T BREATHE A WORD | 1 |
| WON’T GIVE | 1 |
| WON’T GIVE ANYTHING AWAY | 1 |
| WON’T GIVE IT AWAY | 1 |
| WON’T LEAK | 1 |
| WON’T LET THE BIRD OUT | 1 |
| WON’T SAY ANYTHING ABOUT IT | 1 |
| WON’T SAY NOTHING | 1 |
| WON’T SELL YOU OUT | 1 |
| WON’T SQUAWK | 1 |
| WON’T TATTLE | 1 |
| WON’T TATTLETALE | 1 |
| WOULDN’T TELL A SOUL | 1 |
| YOU CAN BET ON THIS GUY | 1 |
| YOU CAN CONFIDENCE HIM | 1 |
| YOU CAN CONFIDENCE THIS FELLOW | 1 |
| YOU CAN COUNT ON HIM | 1 |
| YOU CAN TRUST HIM | 1 |
| YOU COULD STAKE YOUR LIFE ON HIM | 1 |
| ZIP HIS LIP | 1 |
DARE Data Summary by Dictionary of American Regional English (DARE) is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.