| One applauded for a bit | 23 |
| One appearing between numbers | 29 |
| One answering questions | 23 |
| One ankle-deep in socks? | 24 |
| One ankle-deep in shoes? | 24 |
| One angling for dinner? | 23 |
| One and only, in romance | 24 |
| One and one, side-by-side | 25 |
| One and a half: Comb. form | 26 |
| One among the woodwinds | 23 |
| One always working out | 22 |
| One always taking shots? | 24 |
| One always on the move | 22 |
| One always hoping to score | 26 |
| One along an autobahn? | 22 |
| One allocating tasks, e.g. | 26 |
| One alarmed in the morning? | 27 |
| One aiming at clay pigeons | 26 |
| One aiding in wrongdoing | 24 |
| One after a decimal point | 25 |
| One afraid of foreigners | 24 |
| One affected by a strike | 24 |
| One adored by philatelists? | 27 |
| One adept at table talk | 23 |
| One adept at pulling strings? | 29 |
| One active in the heat? | 23 |
| One acting on your behalf | 25 |
| One acting on impulse? | 22 |
| One acting for another | 22 |
| One across the border? | 22 |
| One across or one down, e.g. | 28 |
| One accumulating dirt? | 22 |
| One accepting a challenge | 25 |
| One accepted for a job | 22 |
| One above a specialist: Abbr. | 29 |
| One abandoned at the altar? | 27 |
| One a woman can't trust | 27 |
| One 60-trillionth of a min. | 27 |
| One 60-thousandth of a min. | 27 |
| One 13th of the month? | 22 |
| One / customer connector | 24 |
| One - one of perhaps many | 25 |
| One "T" of TNT | 24 |
| One "Pac-Man" ghost | 29 |
| One "little woman" | 28 |
| One "in the woods" | 28 |
| One "fair of face" | 28 |
| One "C" in C.C.C. | 27 |
| One "born free" | 25 |
| One "B" of B&B | 28 |
| One 'twixt 12 and 20 | 24 |
| One ___ (sandlot game) | 23 |
| Oncologist's suggestion | 27 |
| Oncologist's suffix | 23 |
| Oncle's counterpart | 23 |
| Once/a time go-between | 22 |
| Once-___ (quick examinations) | 29 |
| Once-___ (quick appraisals) | 27 |
| Once-worshipped white wader | 27 |
| Once-worshiped white wader | 26 |
| Once-ubiquitous shoe retailer | 29 |
| Once-seedy section of NYC | 25 |
| Once-scandalous exposure | 24 |
| Once-sacred slitherers | 22 |
| Once-rare Sunday sights | 23 |
| Once-promising failures | 23 |
| Once-popular street liners | 26 |
| Once-popular feather source | 27 |
| Once-popular computers | 22 |
| Once-popular anesthetic | 23 |
| Once-in-a-lifetime traveler | 27 |
| Once-in-a-lifetime pilgrimage | 29 |
| Once-in-a-blue-moon events | 26 |
| Once-fearsome extinct cat | 25 |
| Once-fashionable tableware | 26 |
| Once-fashionable card game | 26 |
| Once-faddish aerobics regimen | 29 |
| Once-common skyline sights | 26 |
| Once-common Georgia sights | 26 |
| Once-common commercial fuel | 27 |
| Once-common childhood malady | 28 |
| Once-common childhood ailment | 29 |
| Once-beautiful castle? | 22 |
| Once-around-Sol period | 22 |
| Once, once upon a time | 22 |
| Once, but not nowadays | 22 |
| Once ____ a time . . . | 22 |
| Once __ (every seven days) | 26 |
| Once more, Western style | 24 |
| Once more, to Dizzy Dean | 24 |
| Once more, in the Ozarks | 24 |
| Once more, in Dogpatch | 22 |
| Once more, hillbilly-style | 26 |
| Once more, Dogpatch-style | 25 |
| Once more, country-style | 24 |
| Once more, colloquially | 23 |
| Once more than two times | 24 |
| Once more in the country? | 25 |
| Once more from the top | 22 |
| Once more to Lil Abner | 23 |