| Active, as a match | 18 |
| Active, alert persons | 21 |
| Active years | 12 |
| Active when the sun shines | 26 |
| Active volcanoes, e.g. | 22 |
| Active volcanoes | 16 |
| Active volcano, e.g. | 20 |
| 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 volcano | 14 |
| Active vocabulary? | 18 |
| Active types | 12 |
| Active type | 11 |
| Active TV? | 10 |
| Active time for deer | 20 |
| Active time for a racetrack crew | 32 |
| Active state | 12 |
| Active starter? | 15 |
| Active starter | 14 |
| Active start? | 13 |
| Active start | 12 |
| Active spot | 11 |
| Active soul | 11 |
| Active sorts | 12 |
| Active sort | 11 |
| Active snake | 12 |
| Active side of nature | 21 |
| Active Sicilian volcano | 23 |
| Active Sicilian peak | 20 |
| Active resistance | 17 |
| Active prefix | 13 |
| Active preceder | 15 |
| Active police officer | 21 |
| Active players | 14 |
| Active place | 12 |
| Active Philippine volcano: Abbr. | 32 |
| Active person | 13 |
| Active people | 13 |
| Active peak in Eur. | 19 |
| Active or fit preceder | 22 |
| Active or bole preceder | 23 |
| Active ones | 11 |
| Active one, in Sicily | 21 |
| Active one | 10 |
| Active military conflicts | 25 |
| Active leader? | 14 |
| Active Japanese volcano | 23 |
| Active Italian volcano | 22 |
| Active intro? | 13 |
| Active ingredient in Off! | 25 |
| Active ingredient in nail polish remover | 40 |
| Active ingredient in Motrin | 27 |
| Active ingredient in marijuana: Abbr. | 37 |
| Active ingredient in marijuana | 30 |
| Active individual | 17 |
| Active Huey Lewis & the News album? | 39 |
| Active hallucinogen in funny mushrooms | 38 |
| Active from dawn to dusk | 24 |
| Active force | 12 |
| Active for one's age | 24 |
| Active folks | 12 |
| Active European volcano | 23 |
| Active Ecuadorean volcano whose name means "Smooth neck of the moon" | 78 |
| Active Ecuadorean volcano | 25 |
| Active duty entertainers, in short | 34 |
| Active dancers not long ago | 28 |
| Active component in marijuana, for short | 40 |
| Active chemical substance | 25 |
| Active chemical in cannabis | 27 |
| Active causes | 13 |
| Active campus gp. during the Vietnam War | 40 |
| Active bunch | 12 |
| Active beginning? | 17 |
| Active beginner | 15 |
| Active area | 11 |
| Active Alaskan volcano | 22 |
| Active again | 12 |
| Active | 6 |
| Activator | 9 |
| Activating, as a missile | 24 |
| Activating, as a fuse | 21 |
| Activating, as a bomb | 21 |
| Activating switches | 19 |
| Activating | 10 |
| Activates, in computer lingo | 28 |
| Activates, as fireworks | 23 |
| Activates, as alarms | 20 |
| Activates the transporter | 25 |
| Activates anew | 14 |
| Activates a magic lamp | 22 |
| Activates | 9 |
| Activated, in a way | 19 |
| 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 |