| DEVO | Band name inspired by the concept that mankind has started to regress |
| ONEINTEN | UB40 protest song with a name inspired by the unemployment rate |
| RADICAL | The base form of a word, a political extremist, a reactive chemical species, sign or zero of a function, all linked by the concept of "root" (7) |
| AXE | Tool found at Happisburgh proves that mankind lived in this country over 500,000 years ago (3) |
| DIVINERIGHT | --- --- of kings, the concept that the claim to rule derives from God and that monarchs are answerable to God alone (6,5) |
| NOTION | The concept that it has gone back in time (6) |
| BUSHWHACK | Vehicle has started to strike hard to clear a way through the woods (9) |
| ABOLISH | Sailor blending oils has started to put an end to it |
| EXCEL | From the old church, a light has started to shine (5) |
| SCOOBY | Part of a fictional dog name inspired by Sinatra's "Strangers in the Night" |
| AGHAST | Horrified if silver has started to tarnish (6) |
| TENTS | Collapsible shelter has started to be put in position (5) |
| ASTRONOMER | One looking up name inspired by art, or some fake (10) |
| STEPPENWOLF | Group name inspired by a 1927 Herman Hesse novel |
| SCALLOPS | Seafood dish, name inspired by soaked bread (8) |
| IRVGOTTI | Murder Inc. Records co-founder with a name inspired by a crime boss |
| AVIA | Activewear brand with a name inspired by flight |
| LAPDOG | Pet project initially adopted by fellow to regress, as it were (6) |
| REGARDLESS | Nothing else matters if you allow the lad to regress (10) |
| AETNA | Company name inspired by a volcano |