| A nucleic acid, for short | 25 |
| A nucleic acid | 14 |
| A noun might be one | 19 |
| A noted Ogden | 13 |
| A noted Alexander | 17 |
| A note to follow fa | 19 |
| A nose ___ | 10 |
| A nose that shows? | 18 |
| A nose that shows | 17 |
| A nose that certainly shows | 27 |
| A Norwegian king | 16 |
| A Northwest capital | 19 |
| A Northeastern U. grad | 22 |
| A North Sea feeder | 18 |
| A North Caucasic language | 25 |
| A North Caucasian language | 26 |
| A North Atlantic sea | 20 |
| A North | 7 |
| A Normandy beach | 16 |
| A nonzero amount | 16 |
| A nonwaiter | 11 |
| A nonproductive tenant? | 23 |
| A nonpareil | 11 |
| A nonmusician may have one | 26 |
| A noncom rank | 13 |
| A noncom | 8 |
| A nominal fee | 13 |
| A nodule of stone | 17 |
| A nod could express it | 22 |
| A noblewoman | 12 |
| A noble gas | 11 |
| A noble | 7 |
| A Nobelist of 1957 | 18 |
| A Nobelist in Medicine: 1970 | 28 |
| A Nobelist in 1934 | 18 |
| A Nobelist for Peace: 1927 | 26 |
| A Nobelist for Peace: 1901 | 26 |
| A Nobel Prize physicist: 1976 | 29 |
| A Nobel Prize physicist: 1954 | 29 |
| A Nobel physicist: 1925 | 23 |
| A Nobel Institute site | 22 |
| A no. that's good when under 3.00 | 37 |
| A no-win situation? | 19 |
| A no-hitter compared to a one-hitter, e.g. | 42 |
| A no no | 7 |
| A Nixon V.P. | 12 |
| A Nixon or Buchanan | 19 |
| A Nixon | 7 |
| A nitwit liked the loud noise? | 30 |
| A Ninja Turtle | 14 |
| A Nike's perch | 18 |
| A night out at a restaurant, perhaps | 36 |
| A night in Paris | 16 |
| A Night at the Opera tune | 28 |
| A Nigerian people | 17 |
| A Nigerian | 10 |
| A Nielsen | 9 |
| A nickname for Elizabeth | 24 |
| A nickel gets you five | 22 |
| A Nicholas | 10 |
| A nice word for dirt? | 21 |
| A Niña companion | 19 |
| A next of kin | 13 |
| A Newton | 8 |
| A newt in its terrestrial stage | 31 |
| A newsboy does it | 17 |
| A news agcy. | 12 |
| A newlywed's title | 22 |
| A New Zealander, informally | 27 |
| A New Zealander | 15 |
| A New York university | 21 |
| A New York minute? | 18 |
| A New York city | 15 |
| A new twist? | 12 |
| A new start? | 12 |
| A new start for whitehouse.gov? | 31 |
| A new rock band's may be deafening | 38 |
| A new one was celebrated 1/1/2001 | 33 |
| A new one may be turned over | 28 |
| A new one is celebrated | 23 |
| A new one comes every 100 yrs. | 30 |
| A new look at an 18th-century English writer | 44 |
| A New Hebrides island | 21 |
| A New England inst. | 19 |
| A new beginning | 15 |
| A network's logo | 20 |
| A network that broadcast "Buffy the Vampire Slayer" | 61 |
| A network logo | 14 |
| A network | 9 |
| A net hangs from it | 19 |
| A nest on a cliff | 17 |
| A Ness | 6 |
| A nervous rocker is this | 24 |
| A Nereid | 8 |
| A nerd may not have one | 23 |
| A nerd has a low one | 20 |
| A Neptune neighbor | 18 |
| A Neptune moon | 14 |
| A nephew of King Arthur | 23 |
| A nephew of Esau | 16 |