| COLDFUSION | Hypothetical nuclear reaction, if no clouds generated (4,6) |
| VOMIT | A turkey vulture's reaction if you interrupt its meal (5) |
| GIANTHOGWEED | A tall species of cow parsley whose irritant hairs and sap can cause a severe reaction if handled (5,7) |
| HOGWEED | Giant _, tall species of cow parsley whose irritant hairs and sap can cause a severe reaction if handled (7) |
| GREATUNCLE | Get nuclear reaction from an older relative |
| GEORGEWILL | If no one else volunteers, ___ |
| TORPEFYING | Rambling poetry, if no good, is deadening |
| CONFESSION | If no scones, bake - it'll come as a revelation (10) |
| NINETOFIVE | If no event, I work traditional hours (4-2-4) |
| INFLECTION | Bend over if no client (10) |
| LINEOFFIRE | If no relief, run amok in the TV drama (4,2,4) |
| SWEARBLIND | Close one's eyes to what's said in court perhaps and say it's true, even if no one believes you (5,5 |
| BLAGUE | What you completely see with no clouds having a silver lining? Nonsense! |
| DOWNRIGHT | Completely blue with no clouds obscuring front (9) |
| CLEAR | With no clouds in the sky |
| SUNNY | With no clouds during the day |
| FERMI | Enrico ?, Italian nuclear physicist who headed the group that produced the first controlled nuclear reaction (5) |
| FRISCH | British physicist (born in Austria) who with Lise Meitner recognized that Otto Hahn had produced a new kind of nuclear reaction which they named nuclear fission. |
| ENRICOFERMI | Italian nuclear physicist who headed the group that produced the first controlled nuclear reaction |
| LUCERNE | Nuclear reaction ejects Croatian in Switzerland (7) |