| One leaving | 11 |
| One leaving a personnel director's office, maybe | 52 |
| One leaving a track mark | 24 |
| One leaving a wake | 18 |
| One leaving a wake, perhaps | 27 |
| One leaving a will | 18 |
| One leaving before a storm | 26 |
| One leaving cash on the table? | 30 |
| One leaving home, perhaps | 25 |
| One leaving in spring? | 22 |
| One leaving in the spring | 25 |
| One leaving its mark | 20 |
| One leaving one country to settle in another | 44 |
| One leaving space | 17 |
| One leaving the band to pursue other interests? | 47 |
| One leaving the country | 23 |
| One leaving the union | 21 |
| One led astray | 14 |
| One left hanging after an election? | 35 |
| One left holding the bag | 24 |
| One left out of a stag party? | 29 |
| One left shaken? | 16 |
| One left standing | 17 |
| One leg -- time | 15 |
| One lending a helping hand | 26 |
| One lending a helping hand, essentially | 39 |
| One lengthened by mascara | 25 |
| One less from never? | 20 |
| One less than "ocho" | 30 |
| One less than "quattro" | 33 |
| One less than "tres" | 30 |
| One less than a bogey | 21 |
| One less than a crowd | 21 |
| One less than hexa- | 19 |
| One less than never? | 20 |
| One less than quadri- | 21 |
| One less than quattro | 21 |
| One less than septi- | 20 |
| One less than tetra- | 20 |
| One less than twice | 19 |
| One less than une douzaine | 26 |
| One less than vier | 18 |
| One less? | 9 |
| One letter changes a Bruce to a Mel | 35 |
| One letter changes a Gilda to a Rita | 36 |
| One letter changes a Ross to a Juan | 35 |
| One letter changes a Tom to an Ernie | 36 |
| One letting go | 14 |
| One letting off steam | 21 |
| One letting the chat out of the bag | 35 |
| One level below sharpshooter | 28 |
| One level below the majors | 26 |
| One liable to get hurt | 22 |
| One libeling | 12 |
| One lighting up at lunch? | 25 |
| One likely to be cut off | 24 |
| One likely to be taken in | 25 |
| One likely to die on the road? | 30 |
| One likely to get assists | 25 |
| One likely to get caught off base? | 34 |
| One likely to get men's attention | 37 |
| One likely to give a hoot | 25 |
| One likely to go far? | 21 |
| One likely to go [hic!] | 23 |
| One likely to have pet peeves? | 30 |
| One likely to howl at a full moon | 33 |
| One likely to leave things out? | 31 |
| One likely to lend a needed hand | 32 |
| One likely to vote against a strike? | 36 |
| One likely to vote by absentee ballot | 37 |
| One likely to win a belt | 24 |
| One line at passport control | 28 |
| One lingering aimlessly | 23 |
| One lingering in Edinburgh? | 27 |
| One listed on MySpace | 21 |
| One lit in a bar? | 17 |
| One litmus test conclusion | 26 |
| One little insect ... | 21 |
| ONE LITTLE PIG | 14 |
| One little piggy | 16 |
| One little piggy's amount | 29 |
| One living abroad | 17 |
| One living at Saint James's place? | 38 |
| One living by the Strait of Hormuz | 34 |
| One living in a dump | 20 |
| One living in poverty | 21 |
| One living in urban poverty, pejoratively | 41 |
| One living life in order? | 25 |
| One living month to month, say | 30 |
| One living near Mount Cleveland | 31 |
| One living near the Leaning Tower | 33 |
| One living off the land, maybe | 30 |
| One living off the land? | 24 |
| One living on Biscayne Boulevard | 32 |
| One living on investment income | 31 |
| One living the high life? | 25 |
| One living under anti-gay laws almost as harsh as in Kansas | 59 |
| One locked in a boat | 20 |
| One locking horns with a bighorn? | 33 |
| One logged in | 13 |