| One must touch it to score | 26 |
| One N.B.A. All-Star Game team | 29 |
| One N.L. team's insignia | 28 |
| One name for a heart test | 25 |
| One name for Ursa Minor | 23 |
| One named Sam wants YOU! | 24 |
| One needing discipline | 22 |
| One needing kisses, say | 23 |
| One needing social work? | 24 |
| One needing tech support | 24 |
| One newton per square meter | 27 |
| One nipping Nipper, maybe | 25 |
| One no longer in the theater? | 29 |
| One not allowing a volley | 25 |
| One not blinking, perhaps | 25 |
| One not dry behind the ears | 27 |
| One not fighting clean? | 23 |
| One not filing a flight plan | 28 |
| One not getting any credit | 26 |
| One not getting any reception | 29 |
| One not getting benefits, say | 29 |
| One not included as a member | 28 |
| One not long for this world | 27 |
| One not making the cut? | 23 |
| One not missing a beat? | 23 |
| One not of high morals | 22 |
| One not seen at a stag party? | 29 |
| One not seen in a movie? | 24 |
| One not suited for the job | 26 |
| One not telling the truth | 25 |
| One not to be believed | 22 |
| One not user-friendly? | 22 |
| One noted for ingenuity | 23 |
| One noted for long drives | 25 |
| One nourished by daydreams? | 27 |
| One o'clock, nautically | 27 |
| One Obama daughter ... | 22 |
| One occupied by chants | 22 |
| One of My Three Sons | 22 |
| One of "Dem Bums" | 27 |
| One of "H.O.M.E.S." | 29 |
| One of "the 400" | 26 |
| One of "the help" | 27 |
| One of "Them" | 23 |
| One of --- great mysteries | 26 |
| One of 1,111 for Fred Lynn | 26 |
| One of 10 leapers in a song | 27 |
| One of 10,000 in Minnesota | 26 |
| One of 100 DC positions | 23 |
| One of 100 in Scrabble | 22 |
| One of 100 in the U.S. govt. | 28 |
| One of 100 in un siglo | 22 |
| One of 100 in Washington | 24 |
| One of 100 members of Cong. | 27 |
| One of 100 on the Hill: Abbr. | 29 |
| One of 101 in a googol | 22 |
| One of 109 in Vatican City | 26 |
| One of 11 Egyptian pharaohs | 27 |
| One of 11 kings of Egypt | 24 |
| One of 12 at support meetings | 29 |
| One of 12 in a program | 22 |
| One of 12 in ancient Israel | 27 |
| One of 12 in the zodiac | 23 |
| One of 12 tiles in mah-jongg | 28 |
| One of 12, at some meetings | 27 |
| One of 13 at the Vatican | 24 |
| One of 13 of 52 in all | 22 |
| One of 13 religious leaders | 27 |
| One of 14 in a gold chain | 25 |
| One of 14 in the Big Ten | 24 |
| One of 140 characters, often | 28 |
| One of 15 in this grid | 22 |
| One of 15, formerly: Abbr. | 26 |
| One of 15, once: Abbr. | 22 |
| One of 150 in a biblical book | 29 |
| One of 150 in the Bible | 23 |
| One of 154 for Shakespeare | 26 |
| One of 16 basic rhumbs: Abbr. | 29 |
| One of 16 chess pieces | 22 |
| One of 16 in a chess set | 24 |
| One of 16 in a cup (Abbr.) | 26 |
| One of 17 in Monopoly: Abbr. | 28 |
| One of 17 Monopoly properties | 29 |
| One of 170 on a trireme | 23 |
| One of 18 at St. Andrews | 24 |
| One of 18 at the White House | 28 |
| One of 18 French kings | 22 |
| One of 18 on a golf course | 26 |
| One of 2,297 for Hank Aaron | 27 |
| One of 2.7 million Japanese | 27 |
| One of 20 on the Titanic | 24 |
| One of 200 in the Indy 500 | 26 |
| One of 22 in a Krugerrand | 25 |
| One of 231 in a gallon | 22 |
| One of 24 for pure gold | 23 |
| One of 256 for Pac-Man | 22 |
| One of 26 for Stevie Wonder | 27 |
| One of 26 in a marathon | 23 |
| One of 27 works by Chopin | 25 |
| One of 30 on an icosahedron | 27 |