| One in a hundred: Abbr. | 23 |
| One in a hurry | 14 |
| One in a jam, maybe | 19 |
| One in a jam? | 13 |
| One in a jar | 12 |
| One in a juvenile court? | 24 |
| One in a Kindergarten? | 22 |
| One in a kitchen stack | 22 |
| One in a Latin trio | 19 |
| One in a leaking boat | 21 |
| One in a Lincoln quartet? | 25 |
| One in a line | 13 |
| One in a line at J.F.K. or La Guardia | 37 |
| One in a line of 36 | 19 |
| One in a litter | 15 |
| One in a litter basket, perhaps | 31 |
| One in a long line of workers? | 30 |
| One in a longstanding fight | 27 |
| One in a mare's nest? | 25 |
| One in a maze | 13 |
| One in a mess? | 14 |
| One in a midlife crisis, perhaps | 32 |
| One in a mil. | 13 |
| One in a mil.? | 14 |
| One in a military march? | 24 |
| One in a million | 16 |
| One in a million, e.g. | 22 |
| One in a million, say | 21 |
| One in a mint? | 14 |
| One in a mission | 16 |
| One in a mob scene? | 19 |
| One in a mobile home? | 21 |
| One in a multiple birth | 23 |
| One in a multiple birth, briefly | 32 |
| One in a needle program | 23 |
| One in a network | 16 |
| One in a network? | 17 |
| One in a one-on-one session | 27 |
| One in a onesie | 15 |
| One in a pack | 13 |
| One in a pack? | 14 |
| One in a pen | 12 |
| One in a penalty box | 20 |
| One in a phone bill list | 24 |
| One in a pic | 12 |
| One in a pier group | 19 |
| One in a pinch | 14 |
| One in a pit | 12 |
| One in a pit at a concert | 25 |
| One in a pod | 12 |
| One in a pool | 13 |
| One in a pool, perhaps | 22 |
| One in a powerful house | 23 |
| One in a prompt box | 19 |
| One in a queue | 14 |
| One in a quiver | 15 |
| One in a rack | 13 |
| One in a rack, maybe | 20 |
| One in a rage | 13 |
| One in a receiving line? | 24 |
| One in a Red Cross shelter | 26 |
| One in a religious majority | 27 |
| One in a roll book | 18 |
| One in a romper room | 20 |
| One in a row? | 13 |
| One in a rush | 13 |
| One in a rush? | 14 |
| One in a sassafras quartet | 26 |
| One in a school | 15 |
| One in a scull | 14 |
| One in a series | 15 |
| One in a shell | 14 |
| One in a shelter, maybe | 23 |
| One in a shelter, perhaps | 25 |
| One in a shower | 15 |
| One in a shower? | 16 |
| One in a side-by-side food competition | 38 |
| One in a six-pack | 17 |
| One in a small-claims court case | 32 |
| One in a stable environment | 27 |
| One in a stag's litter | 26 |
| One in a sting operation | 24 |
| One in a stroller | 17 |
| One in a suit | 13 |
| One in a suit? | 14 |
| One in a tight space, perhaps | 29 |
| One in a tippy boat | 19 |
| One in a trap? | 14 |
| One in a Vegas row | 18 |
| One in a very short race | 24 |
| One in a violent mob | 20 |
| One in a waiting room, often | 28 |
| One in a white hat | 18 |
| One in a will | 13 |
| One in a wool coat | 18 |
| One in a wriggly field? | 23 |
| One in a zigzag procession | 26 |
| One in a zillion? | 17 |
| One in a ___ | 12 |
| One in Adam's clan | 22 |