| FORGOT | Didn't remember to show activity in the stronghold (6) |
| ARITHMETIC | Time chart I arranged to show activity for summer? (10) |
| FALLSHORT | Let down every single mum in the stronghold (4,5) |
| CITADEL | 100 tailed into in the stronghold (7) |
| ENGEDI | 'David went up from thence, and dwelt in the strongholds of ' ** **** ' (1 Sam. 23:29) (2,4) |
| WAITINGFORGODOT | Working in restaurant, didn't remember to open up for party, leading to drama (7,3,5) |
| FORGO | Almost didn't remember to give something up (5) |
| PUNJAB | In which region of India is the stronghold of the Sikh religion? (6) |
| NEURAL | Lunar activity in the East affects the nerves (6) |
| IMPROV | ____ was the main activity in the TV show Whose Line Is It Anyway |
| CASTLE | Any one of the strongholds constructed on the orders of William the Conqueror (6) |
| FOUGHT | We hear the stronghold went into action (6) |
| KNIGHT | The stronghold, one hears, went into action (6) |
| PIRACY | Illegal activity, in the main (6) |
| SPHERE | Field of activity in the poet's sky (6) |
| BYPLAY | Parking in lay-by spoiled activity in the background (2,4) |
| OMERTA | Code of silence about criminal activity in the Mafia (6) |
| UPKEEP | Cost of looking after something up on the stronghold |
| ATESTS | White Sands activity in the '40s |
| LOUVAIN | French name of the Belgian town that was the stronghold of the dukes of Brabant in the Middle Ages (7) |
