| Activist and author Naomi | 25 |
| Activist admired by Edison | 26 |
| Activision's Guitar ___ | 27 |
| Actively takes, as meds | 23 |
| Actively support a felon | 24 |
| Actively engaged; busy | 22 |
| ActiveHybrid automaker | 22 |
| ActiveHybrid 750i maker | 23 |
| Active, masculine force | 23 |
| Active, intelligent dogs | 24 |
| Active when the sun shines | 26 |
| Active volcanoes, e.g. | 22 |
| Active volcano on Antarctica | 28 |
| Active volcano near Messina | 27 |
| Active volcano in Sicily | 24 |
| Active volcano in Italy | 23 |
| Active volcano in California | 28 |
| Active Sicilian volcano | 23 |
| Active or fit preceder | 22 |
| Active or bole preceder | 23 |
| Active military conflicts | 25 |
| Active Japanese volcano | 23 |
| Active Italian volcano | 22 |
| Active ingredient in Off! | 25 |
| Active ingredient in Motrin | 27 |
| Active from dawn to dusk | 24 |
| Active for one's age | 24 |
| Active European volcano | 23 |
| Active Ecuadorean volcano | 25 |
| Active dancers not long ago | 28 |
| Active chemical substance | 25 |
| Active chemical in cannabis | 27 |
| Active Alaskan volcano | 22 |
| Activating, as a missile | 24 |
| Activates, in computer lingo | 28 |
| Activates, as fireworks | 23 |
| Activates the transporter | 25 |
| Activates a magic lamp | 22 |
| Activated, as an alarm | 22 |
| Activated again, as a missile | 29 |
| Activated again, as a burner | 28 |
| Activated a whoopee cushion | 27 |
| Activated a burner again | 24 |
| Activate, as an alarm clock | 27 |
| Activate, as a torpedo | 22 |
| Activate without restraint | 26 |
| Activate the alarm clock | 24 |
| Activate a whoopee cushion | 26 |
| Activate a credit card | 22 |
| Actions taken by hot-dogs | 25 |
| Actions on shirtsleeves | 23 |
| Actions on heartstrings | 23 |
| Actions in Flynn films | 22 |
| Actions by some who woo | 23 |
| Actions at Sotheby's | 24 |
| Actions at chuck-a-luck | 23 |
| Action; process: Suffix | 23 |
| Action-takers by nature | 23 |
| Action-oriented person | 22 |
| Action-movie highlight | 22 |
| Action-imparting agent | 22 |
| Action-film star Steven | 23 |
| Action-denoting suffix | 22 |
| Action thriller staple | 22 |
| Action taboo at West Point | 26 |
| Action star from Hong Kong | 26 |
| Action shared by a shill | 24 |
| Action requiring a prior look | 29 |
| Action re Napoleon: 1814 | 24 |
| Action part of a sentence | 25 |
| Action oriented acronym | 23 |
| Action or process: Suffix | 25 |
| Action on the shirt sleeves | 27 |
| Action on the auction floor | 27 |
| Action on Capitol Hill | 22 |
| Action on a crowded subway | 26 |
| Action often taken on campus | 28 |
| Action movie plot device | 24 |
| Action movie highlight | 22 |
| Action movie actor Steven | 25 |
| Action just before a war | 24 |
| Action intended to obscure | 26 |
| Action in a snowball fight | 26 |
| Action in a poker game | 22 |
| Action in a chess match | 23 |
| Action in a bridge game | 23 |
| Action from a springboard | 25 |
| Action film star Jackie | 23 |
| Action film lead-spitter | 24 |
| Action film high point | 22 |
| Action film hero Williams | 25 |
| Action film hero Jackie | 23 |
| Action film director Wiseman | 28 |
| Action film climax, often | 25 |
| Action figures for boys | 23 |
| Action figure's name | 24 |
| Action figure since '64 | 27 |
| Action figure favorite | 22 |
| Action director Wiseman | 23 |
| Action at Sotheby's | 23 |