| CONCAVE | Study an underground den or hollow (7) |
| VIXEN | The female of an animal known collectively as a leash or a skulk, living in an underground den or "e |
| PORTHOLE | A lair, pied-a-terre, refuge, second abode, sanctuary, secret passage, smeuse or other burrow, den or hollow in which to run and hide or escape (8) |
| WARRENS | Again gives warning about underground dens (7) |
| POTHOLE | Depression or hollow in a road (7) |
| DENOTES | Indicates how to study an old educational publication (7) |
| READAPT | Study an exercise and get adjusted to new conditions (7) |
| DENUDED | Study an eccentric dude getting stripped (7) |
| ANALYSE | Study an answer list in Afrikaans and English(7) |
| HOLT | Term for a fortress/keep originally, later a dialect word for a grasp or grip; an otter's riverbank couch, den or lair; a refuge; or, from "twig", a copse, orchard, wood or wooded hill (4) |
| EARTH | The underground den of a fox (5) |
| BURROW | Underground den (6) |
| CLUE | A grotto or hollow; or, pronounced "kah-vay", a schoolchild's holla meaning "beware!"/"look out" to warn chums of an approaching teacher (4) |
| KENNEL | Word for a dog's house or hut that derives from the Latin name for said creature; a pack of hounds; or, the den or lair of a fox (6) |
| LAIR | A dragon, fox or wolf's den or "lying place"; or, the ground for a grave (4) |
| SINU | In a curve, or fold, or hollow |
| GROOVE | An indentation, or hollow, in wood (6) |
| HOLDS | A word for grasps or grips; copses, hillocks or woods; orchards; refuges; or, couches, dens or lairs of otters (5) |
| ROOM | Den or study |
| GULLY | A channel or hollow worn by or used for draining water (5) |
