| 2nd Vampire Weekend album | 25 |
| 2nd word of our anthem | 22 |
| 2nd, 3rd, 4th, etc., in S.F. | 28 |
| 2nd-century Roman emperor | 25 |
| 3 – 2, en español | 24 |
| 3 for 27, 4 for 64, etc. | 24 |
| 3 on a par-5 hole, e.g. | 23 |
| 3 or 5 Series car, in slang | 27 |
| 3 to 1 nitrogen to oxygen | 25 |
| 3, 4 and 5, but rarely 6 | 24 |
| 3, 4 or 5 on a golf course | 26 |
| 3, 4 or 5 strokes, e.g. | 23 |
| 3, 4 or 5, but rarely 6 | 23 |
| 3, 4 or 5, typically, in golf | 29 |
| 3, for 12 and 15: Abbr. | 23 |
| 3,000,000 or so square miles | 28 |
| 3,000-hit club member Ripken | 28 |
| 3,001, in Roman numerals | 24 |
| 3,300,000 square-mile desert | 28 |
| 3-D diagnostic machine | 22 |
| 3-D image-making process | 24 |
| 3-D James Cameron film | 22 |
| 3-D photographic image | 22 |
| 3-D reference provider | 22 |
| 3-pointer's trajectory | 26 |
| 3-time AL batting champ Tony | 28 |
| 3-time Masters champion | 23 |
| 3-time Wimbledon champ | 22 |
| 3-time WSOP champ Ungar | 23 |
| 3.2 million-member U.S. union | 29 |
| 3.2 million-member union | 24 |
| 3.3 in a transcript, maybe | 26 |
| 3.5, e.g., for a student | 24 |
| 3/17 honoree, for short | 23 |
| 3/28/79 Pa. meltdown site | 25 |
| 3/4 time concert pieces (Fr.) | 29 |
| 30 minutes of football | 22 |
| 30 minutes of NFL football | 26 |
| 30 minutes, in the N.F.L. | 25 |
| 30 minutes, in the NFL | 22 |
| 30 Seconds to Mars Shannon | 26 |
| 30 Seconds to Mars' Jared | 29 |
| 30% of the world's land | 27 |
| 30's boxing champ Max | 25 |
| 30's chess champ Max | 24 |
| 30's crooner Columbo | 24 |
| 30's home run king | 22 |
| 30's Interior Secretary | 27 |
| 30's leading lady Farrell | 29 |
| 30's singer MacDonald | 25 |
| 30's-50's Arab ruler | 28 |
| 30-40, say, in a tennis game | 28 |
| 30-day trial versions, e.g. | 27 |
| 30-mile-per-hour runners | 24 |
| 30-miles-per-hour runners | 25 |
| 30-something on the BMI scale | 29 |
| 30-year late-night host | 23 |
| 300 minutes past midnight | 25 |
| 300 to 3,000 kilohertz | 22 |
| 300 to 3,000 MHz range | 22 |
| 300, in Roman numerals | 22 |
| 300-game winner Glavine | 23 |
| 30th anniversary gifts | 22 |
| 30th president, informally | 26 |
| 30th wedding anniversary gift | 29 |
| 31,800,000 sq. mi. of water | 27 |
| 31-syllable Japanese poem | 25 |
| 310, to a letter writer | 23 |
| 315 degrees on a compass | 24 |
| 32 laps, in many pools | 22 |
| 32,808 152/381-ft. footrace | 27 |
| 32-time Davis Cup champ | 23 |
| 32nd in a noted series | 22 |
| 33 1/3 and 45, for short | 24 |
| 33 1/3 r.p.m. spinners | 22 |
| 33 1/3, 45 or 78, briefly | 25 |
| 33-time Rose Bowl sch. | 22 |
| 33-time Walker Cup winner | 25 |
| 33rd president's monogram | 29 |
| 34-year-long comic strip | 24 |
| 34th president of the U.S. | 26 |
| 34th president's nickname | 29 |
| 35 miles-per-hour runner | 24 |
| 35-10, for Super Bowl I | 23 |
| 35-year funnies stalwart | 24 |
| 35.3-cubic-feet measures | 24 |
| 35mm camera, initially | 22 |
| 35th wedding anniversary gift | 29 |
| 36 inches, in Aberdeen? | 23 |
| 36-year Senator Hatch of Utah | 29 |
| 365 days, over and over | 23 |
| 365-day periods, roughly | 24 |
| 38th parallel peninsula | 23 |
| 39+ inches, in Britain | 22 |
| 39-plus inches, in Britain | 26 |
| 39.37 inches of stream? | 23 |
| 39.37 inches, in Britain | 24 |
| 39.37 inches, in England | 24 |
| 3:00, on a grandfather clock | 28 |
| 3rd Edge "___ Out" | 28 |