| OFTHENIGHT | Nyctophobia is defined by breaking a thing off there! (4,2,3,5) |
| FEAR | Nyctophobia is defined by breaking a thing off there! (4,2,3,5) |
| CHRISTENED | Officially dedicated, perhaps by breaking a bottle of champagne |
| REACT | Respond by breaking a crate (5) |
| DARK | Nyctophobia is an extreme fear of what? (4) |
| NIGHT | It falls, breaking a thing (5) |
| ARTICLEOFFAITH | Thing off 'AI theory' starts to become a basic belief (7,2,5) |
| DAMPSQUIB | Disappointment as magician's debut is defined by assorted bad quips |
| TRENCH | Warfare is defined by universal shooting (6) |
| ASDIC | Early sonar is defined by abridged dictionary (5) |
| SANDIEGO | City that is defined by smooth travel (3,5) |
| CASINO | Back in prison, is a convict better off there? |
| BIRTHDAY | By securing a third off, there's reason to celebrate |
| APING | Taking off, there's a sound like a bullet striking metal (5) |
| SYNCARP | A raspberry is defined thus initially, so you never call a raspberry "plum" (7) |
| EPEE | Entrance to tent blocked off -- there's a piece of fencing (4) |
| LATITUDE | A commonplace, penny off - there's scope for you (8) |
| WHIPPINGCREAM | Wiping end of picnic hamper off, there's a dairy product (8, 5) |
| MODISH | Maureen shortly has thing off menu of a fashionable sort? (6) |
| INDEED | Where fin is defined, of a surety (6) |