| GROTTY | Cave with base becoming variable and rough (6) |
| TIMEZONE | Function of longitude generally multiplied invariantly, with fifth term becoming variable (4,4) |
| GROTTO | Small cave with religious connotations (6) |
| OCTAVE | To get to a cave with a set of eight! (6) |
| FREAKY | Fellow about to find a king variable and bizarre (6) |
| STUFFY | Material gets variable and dull (6) |
| PATCHY | Quiet chat, terribly variable and uneven (6) |
| GLOOMY | Garments initially appear variable and sombre (6) |
| TETCHY | The problem about technetium - variable and peevish (6) |
| BLEARY | Tolerate student's inclusion, variable and unfocused (6) |
| SHIFTY | Strain admitting husband's variable and untrustworthy (6) |
| VEZERE | This valley has some 150 prehistoric sites, including Lascaux, a cave with hunting scenes painted on the walls that are tens of thousands of years old. The valley was designated a UNESCO World Heritag |
| MCAVOY | Preserve caves with oddly moody star of the 4Dn of 17Ac (5,6) |
| THORNY | Instrument in time variable and problematic |
| STOCKY | Merchandise, variable and heavily built |
| DEVICE | Democrat with base and evil scheme (6) |
| RUDEST | Is both coarse and rough, in fact, and most discourteous (6) |
| RUGGED | Uses a drug, for example and is uncouth and rough (6) |
| LUDLOW | Judge with base in Shropshire town (6) |
| BRIBED | Bought off bishop with base south of Rhode Island (6) |