| EXACTNESS | Rigour of head supporting old enterprise (9) |
| TERSENESS | Abrupt manner of head supporting introduction of this language |
| EXACTITUDE | Rigour of former exploit topping sex, you'd declared (10) |
| HARDSHIP | The rigour of a difficult craft (8) |
| EARNESTNESS | Sincerity of head, supporting attention given to home |
| APPROPRIATENESS | Propriety of head supporting Nick? (15) |
| STREETWISE | Able do deal with the rigours of urban life (10) |
| FREEZE | Sets at large, we hear, to suffer from the rigours of the weather (6) |
| GREENBEAN | Head supporting sustainable veg |
| APARTHEID | Scots head supporting a role in discriminatory system |
| OBSESSION | Infatuation shown by part of conference, say, supporting old boy (9) |
| AMORPHOUS | Supporting old lady in retirement home, short of energy and out of shape |
| BALLOTING | Voting can lead to Gran supporting old-based sort of party (9) |
| EXPENSIVE | Thoughtful when supporting old dear (9) |
| CONTRALTO | Singer, bad lot, supporting old Nicaraguan guerrilla (9) |
| DILIGENCE | Rigour due to a lawyer (9) |
| HARSHNESS | Be quiet, in control, showing rigour (9) |
| STRINGENT | Patron, maybe, renting ground is characterised by rigour (9) |
| MICROBERT | Upset concertmaster maintaining varying beat with extreme rigour in 10Ac venue (9,4,6) |
| POSTERIOR | Seat advertisement with rigour oddly abandoned |
