| Certain "gift" | 24 |
| Certain "Law & Order: SVU" characters | 51 |
| Certain "Speedwagon" | 30 |
| Certain 12-hr. stretches | 24 |
| Certain 12-step group | 21 |
| Certain 13-piece suit | 21 |
| Certain 13-year-old's rite of passage | 41 |
| Certain 18-year-old | 19 |
| Certain 1920s faddist | 21 |
| Certain 1960's paintings | 28 |
| Certain 2004 Democratic enthusiast | 34 |
| Certain 3-D image | 17 |
| Certain 35mm camera | 19 |
| Certain 35mm camera, initially | 30 |
| Certain 4WD conveyances | 23 |
| Certain 60's protest | 24 |
| Certain 80's clothing fashion | 33 |
| Certain 911 respondent | 22 |
| Certain 911 respondent, briefly | 31 |
| Certain A.L. batters | 20 |
| Certain abodes | 14 |
| Certain about | 13 |
| Certain abstract paintings | 26 |
| Certain accents | 15 |
| Certain access code | 19 |
| Certain access requirement | 26 |
| Certain accidental | 18 |
| Certain accolade | 16 |
| Certain account | 15 |
| Certain accountants | 19 |
| Certain acct. | 13 |
| Certain acid | 12 |
| Certain acid salt | 17 |
| Certain acid salts | 18 |
| Certain acid source | 19 |
| Certain acids | 13 |
| Certain acids, for short | 24 |
| Certain acorn maker | 19 |
| Certain acreage | 15 |
| Certain acrobatic bar? (goes both ways) | 39 |
| Certain act | 11 |
| Certain acting award | 20 |
| Certain activity of uncertain producers | 39 |
| Certain actors | 14 |
| Certain actress's tonic | 27 |
| Certain ad | 10 |
| Certain ad offerings | 20 |
| Certain addenda: Abbr. | 22 |
| Certain addicts | 15 |
| Certain addition | 16 |
| Certain addition column | 23 |
| Certain address starter | 23 |
| Certain addresses: Abbr. | 24 |
| Certain adjustments | 19 |
| Certain admission exams | 23 |
| Certain adolescent | 18 |
| Certain ads | 11 |
| Certain adult ed. class | 23 |
| Certain adult status | 20 |
| Certain advanced deg. | 21 |
| Certain advanced degrees (Abbr.) | 32 |
| Certain advertising medium | 26 |
| Certain aerophone | 17 |
| Certain AFB | 11 |
| Certain affirmation | 19 |
| Certain affliction | 18 |
| Certain African antelope | 24 |
| Certain African capital | 23 |
| Certain African inhabitant | 26 |
| Certain African tribe member | 28 |
| Certain Africans | 16 |
| Certain Afrikaner | 17 |
| Certain Afrocentrist | 20 |
| Certain age | 11 |
| Certain agent | 13 |
| Certain agents | 14 |
| Certain ages | 12 |
| Certain air | 11 |
| Certain air current | 19 |
| Certain air movers | 18 |
| Certain air-traffic controllers | 31 |
| Certain aircraft | 16 |
| Certain aircraft engine | 23 |
| Certain aircraft engines | 24 |
| Certain aircraft or airport, for short | 38 |
| Certain aircraft, for short | 27 |
| Certain airline initials | 24 |
| Certain airline symbol | 22 |
| Certain airline's in-flight movie? | 38 |
| Certain airline, on the NYSE | 28 |
| Certain airlines, briefly | 25 |
| Certain airplane | 16 |
| Certain airport tax | 19 |
| Certain alarms | 14 |
| Certain Alaska | 14 |
| Certain Alaska native | 21 |
| Certain Alaskan | 15 |
| Certain Alaskan, for short | 26 |
| Certain Alaskan: Abbr. | 22 |
| Certain Alaskans | 16 |