| Secondary letter addenda | 24 |
| Secondary rail track: Abbr. | 27 |
| Secondary railroad line | 23 |
| Secondary school, in France | 27 |
| Secondary sports event | 22 |
| Secondary thoroughfare | 22 |
| Secondary-school club? | 22 |
| Seconder's opinion | 22 |
| Secondhand gal of song | 22 |
| Secondhand store section | 24 |
| Secondhand store transaction | 28 |
| Secondhand store transactions | 29 |
| Secondhand tire, perhaps | 24 |
| Secondhand transaction | 22 |
| Secondhand transactions | 23 |
| Secondmost populous place | 25 |
| Seconds and then thirds | 23 |
| Seconds at the dinner table | 27 |
| Seconds participate in them | 27 |
| Secrecy, with "the" | 29 |
| Secret agent's need | 23 |
| Secret area of anatomy? | 23 |
| Secret attachment, for short | 28 |
| Secret business associate | 25 |
| Secret Chinese society | 22 |
| Secret communication location | 29 |
| Secret couple, in gossip | 24 |
| Secret couple, to Barrett | 25 |
| Secret decoder ring?: Abbr. | 28 |
| Secret employer, maybe | 22 |
| Secret event of '45 | 23 |
| Secret for some superheroes | 27 |
| Secret governing groups | 23 |
| Secret grp. since 1947 | 22 |
| Secret identity?: Abbr. | 23 |
| Secret keeper, to the teller | 28 |
| Secret language device | 22 |
| Secret member of a sect | 23 |
| Secret nationalist org. | 23 |
| Secret observer's opening | 29 |
| Secret of many a redhead | 24 |
| Secret of some redheads | 23 |
| Secret of the vain, perhaps | 27 |
| Secret passage, perhaps | 23 |
| Secret place for outlaws | 24 |
| Secret police of the Nazis | 26 |
| Secret rendezvous point | 23 |
| Secret revolutionary force | 26 |
| Secret romantic meeting | 23 |
| Secret Service accessories | 26 |
| Secret Service agent, often | 27 |
| Secret Service dossier | 22 |
| Secret Service eyewear | 22 |
| Secret Service personnel | 24 |
| Secret Service sleuths | 22 |
| Secret Service weapons | 22 |
| Secret society in Chinatown | 27 |
| Secret society members | 22 |
| Secret society of a sort | 24 |
| Secret society of executives? | 29 |
| Secret society's secret | 27 |
| Secret society, Italian style | 29 |
| Secret Squirrel, for one | 24 |
| Secret stat, sometimes | 22 |
| Secret store of supplies | 24 |
| Secret taste-test label | 23 |
| Secret thieves of slang | 23 |
| Secret U.S. govt. group | 23 |
| Secret weapon, perhaps | 22 |
| Secret, as an investigation | 27 |
| Secret, as some information | 27 |
| Secret-keeper's liability | 29 |
| Secret-keeping, so to speak | 27 |
| Secret-teller's warning | 27 |
| Secret-telling preceder | 23 |
| Secretarial jottings: Abbr. | 27 |
| Secretarial speed, for short | 28 |
| Secretariat jockey Turcotte | 27 |
| Secretariat rider Turcotte | 26 |
| Secretariat's coup | 22 |
| Secretariat's jockey | 24 |
| Secretariat's restraint | 27 |
| Secretaries may file these | 26 |
| Secretaries often hold them | 27 |
| Secretaries used to make them | 29 |
| Secretary in Bond novels | 24 |
| Secretary of Defense, 1957-59 | 29 |
| Secretary of Education Duncan | 29 |
| Secretary of Education Rod | 26 |
| Secretary of Labor Elaine | 25 |
| Secretary of Labor under Bush | 29 |
| Secretary of State after Haig | 29 |
| Secretary of State Clinton | 26 |
| Secretary of State Root | 23 |
| Secretary of State Vance | 24 |
| Secretary of State, 1977-80 | 27 |
| Secretary of State, 2005-2009 | 29 |
| Secretary of state, e.g. | 24 |
| Secretary of State: 1905-9 | 26 |
| Secretary of State: 1929-33 | 27 |