| Only Belarus city with an underground metro | 43 |
| Only beardless one of the Seven Dwarfs | 38 |
| Only Beach Boys #1 hit after 1966 | 33 |
| Only astrological sign with an inanimate symbol | 47 |
| Only asteroid visible with the naked eye | 40 |
| Only amount that satisfies the greedy | 37 |
| Only American with more homers than Ruth | 40 |
| Only American star of "Doctor Zhivago" | 48 |
| Only album attributed to Paul and Linda McCartney | 49 |
| Only African-American male to win Wimbledon | 43 |
| Only about 10 percent of it is visible | 38 |
| Only able to think in the short term | 36 |
| Only 20th-century prez without a coll. degree | 45 |
| Only "Winnie the Pooh" human | 38 |
| Online tip jar (just sayin') | 32 |
| Online stock picker's option | 32 |
| Online status update limited to 140 characters | 46 |
| Online spender's convenience | 32 |
| Online site where users may write and edit texts | 48 |
| Online shopper's expenditure | 32 |
| Online service with a butterfly logo | 36 |
| Online request to come to a party | 33 |
| Online protocol for remote log-in | 33 |
| Online program such as Evernote or Dropbox | 42 |
| Online prefix for "cat" | 33 |
| Online portal since Windows 95 was launched | 43 |
| Online offering of big-box retailers | 36 |
| Online multiplayer gaming service | 33 |
| Online mortgage calculator, e.g. | 32 |
| Online marketplace for handmade goods | 37 |
| Online magazine with a "Runway" section | 49 |
| Online journalist's retreat? | 32 |
| Online journal's latest young participants? | 47 |
| Online IRS document submission system, literally? | 49 |
| Online health information source | 32 |
| Online handmade crafts marketplace | 34 |
| Online giant whose name is shouted in ads | 41 |
| Online gaming service from Microsoft | 36 |
| Online financial services company | 33 |
| Online equivalent of a Tamagotchi, maybe | 40 |
| Online company founded by Pierre Omidyar | 40 |
| Online communications, for short | 32 |
| Online chat components, for short | 33 |
| Online business created by Pierre Omidyar | 41 |
| Online birthday greetings from a cheapskate | 43 |
| Online banking transactions, briefly | 36 |
| Online acronym for "It seems to me ..." | 49 |
| Online "Unbelievable!" | 32 |
| Online "That's funny!" | 36 |
| Online "Seems to me ..." | 34 |
| Onion made of a sturdy cotton fabric? | 37 |
| Onion lover's inVestment of the 1950s? | 42 |
| Ongoing inability to connect, in a way | 38 |
| Ongoing dispute about chemical use in farming? | 46 |
| Onetime Wrigley Field slugger Sammy | 35 |
| Onetime wrestling great ___ the Giant | 37 |
| Onetime Wisconsin-based insurance giant | 39 |
| Onetime White House resident with a cleft palate | 48 |
| Onetime tribe of the Winnebago nation | 37 |
| Onetime tribe of the Upper Midwest | 34 |
| Onetime track star now in Parliament | 36 |
| Onetime Toronado, e.g., informally | 34 |
| Onetime Time competitor, briefly | 32 |
| Onetime Texas rice grower of note | 33 |
| Onetime sponsor of what is now Minute Maid Park | 47 |
| Onetime sponsor of "I Love Lucy" | 42 |
| Onetime spokesperson for Skippy peanut butter | 45 |
| Onetime Spanish queen and namesakes | 35 |
| Onetime Southern "king" | 33 |
| Onetime sister magazine of Penthouse | 36 |
| Onetime Silly String manufacturer | 33 |
| Onetime Senator Kefauver from Tennessee | 39 |
| Onetime Secretary of State Muskie | 33 |
| Onetime ruler of the Middle East | 32 |
| Onetime Regis' co-host --- Lee | 34 |
| Onetime regal status of Shanghai or Canton | 42 |
| Onetime reality show with Whitney Houston | 41 |
| Onetime prominent South African couple | 38 |
| Onetime Procter & Gamble shampoo | 36 |
| Onetime popular music maker: 2 wds. | 35 |
| Onetime pop star who hosted "Pyramid" | 47 |
| Onetime political columnist Joseph | 34 |
| Onetime player at Memorial Stadium | 34 |
| Onetime Pink Floyd member Barrett | 33 |
| Onetime partner of David Crosby and Graham Nash | 47 |
| Onetime part of the U.S. arsenal | 32 |
| Onetime owner of Sheraton Hotels | 32 |
| Onetime owner of Olympic Airways | 32 |
| Onetime NFL coach with the most career wins | 43 |
| Onetime New York Philharmonic leader | 36 |
| Onetime neighbor of Israel: Abbr. | 33 |
| Onetime National League career home run king | 44 |
| Onetime National Cartoonists Society president | 46 |
| Onetime name atop N.Y.C.'s MetLife Building | 47 |
| Onetime name at New York's Rockefeller Center | 49 |
| Onetime N.F.L. star nicknamed Joe Willie | 40 |
| Onetime MTV animated title character and others | 47 |
| Onetime Michael Jackson bodyguard | 33 |
| Onetime members of the Winnebago Nation | 39 |
| Onetime lead singer of Van Halen | 32 |