| Active volcano in Italy | 23 |
| Active volcano in Sicily | 24 |
| Active volcano near Messina | 27 |
| Active volcano on Antarctica | 28 |
| Active volcano, e.g. | 20 |
| Active volcanoes | 16 |
| Active volcanoes, e.g. | 22 |
| Active when the sun shines | 26 |
| Active years | 12 |
| Active, alert persons | 21 |
| Active, as a match | 18 |
| Active, intelligent dogs | 24 |
| Active, masculine force | 23 |
| Active-cultures food | 20 |
| Active; busy | 12 |
| ActiveHybrid 750i maker | 23 |
| ActiveHybrid automaker | 22 |
| Actively encourage | 18 |
| Actively engaged; busy | 22 |
| Actively sought | 15 |
| Actively support a felon | 24 |
| Actively takes, as meds | 23 |
| Actively trading | 16 |
| Activewear brand | 16 |
| Activewear fabric | 17 |
| Activewear material | 19 |
| Activia maker | 13 |
| Activision's Guitar ___ | 27 |
| Activist | 8 |
| Activist actor | 14 |
| Activist actress | 16 |
| Activist admired by Edison | 26 |
| Activist Agnes | 14 |
| Activist and author Naomi | 25 |
| Activist Anthony | 16 |
| Activist Blades who co-founded moveon.org | 41 |
| Activist Bloomer | 16 |
| Activist Bobby | 14 |
| Activist Bonner who married Sakharov | 36 |
| Activist Brockovich | 19 |
| Activist Brockovich played by Julia | 35 |
| Activist Bryant | 15 |
| Activist campus org. of the '60s | 36 |
| Activist Chavez | 15 |
| Activist Chaz | 13 |
| Activist Clara | 14 |
| Activist Dana or her husband Christopher | 40 |
| Activist Davis | 14 |
| Activist filmmaker Michael | 26 |
| Activist folk singer Joan | 25 |
| Activist for reform | 19 |
| Activist gp. with a clenched fist in its logo | 45 |
| Activist grocery clerk? | 23 |
| Activist group whose motto is "Silence=Death" | 55 |
| Activist Guevara | 16 |
| Activist Guinier | 16 |
| Activist Hoffman | 16 |
| Activist investor Daniel | 24 |
| Activist Klein | 14 |
| Activist Luxemburg | 18 |
| Activist Medgar | 15 |
| Activist Nellie | 15 |
| Activist of a sort | 18 |
| Activist of the 1770's | 26 |
| Activist Parks | 14 |
| Activist Ralph | 14 |
| Activist request on bumper stickers | 35 |
| Activist Shelby and politician Michael | 38 |
| Activist Silkwood | 17 |
| Activist singer from Dublin | 27 |
| Activist who had Raiders | 24 |
| Activist who helped found the International Campaign to Ban Landmines | 69 |
| Activist who said "You can kill a man but you can't kill an idea" | 79 |
| Activist with Raiders | 21 |
| Activist's concern | 22 |
| Activist's focus | 20 |
| Activist's passion | 22 |
| Activist-actress | 16 |
| Activist-chess star Kasparov | 28 |
| Activist/heiress Hearst | 23 |
| Activist/playwright Clare Boothe ___ | 36 |
| Activist/singer Bonnie | 22 |
| Activist? | 9 |
| Activists | 9 |
| Activists' concerns: Abbr. | 30 |
| Activities | 10 |
| Activities at punk rock concerts | 32 |
| Activities for gangs in films | 29 |
| Activities for some activists | 29 |
| Activities that consume many hours | 34 |
| Activities that generate no money | 33 |
| Activity | 8 |
| Activity a puppy loves | 22 |
| Activity after a run | 20 |
| Activity around the block | 25 |
| Activity at a board | 19 |
| Activity at a chopping center? | 30 |
| Activity at a goose's nest? | 31 |
| Activity at a joyful reunion | 28 |
| Activity at a midway booth | 26 |