| USABLY | In a functional manner |
| HEART | - rate; bodily pulse assessed in a functional threshold power test when establishing an athlete's power zones for training (5) |
| ORBIT | What a functional satellite will be in (5) |
| VANED | Like a barn topped with a functional rooster ornament |
| HYSTERIA | A functional disturbance of the nervous system |
| NEPHRON | A functional unit of the kidney |
| FOLLY | Costly, usually non-functional building, in fashion in England in the 18th and 19th centuries (5) |
| BROOCH | Decorative or functional pin such as a cameo, Victorian spray in the form of a jewelled bouquet or an Anglo-Saxon annular quoit (6) |
| CELL | Basic structural and functional unit of all living organisms, consisting of cytoplasm and a nucleus enclosed by a membrane (4) |
| CLINICAL | Of a hospital that's plain and functional in appearance (8) |
| STEMCELL | Undifferentiated functional unit in an organism |
| ORGAN | A fully differentiated structural and functional unit (5) |
| ION | A particle that is part-functional (3) |
| KAPUT | Set up a kiosk counter, partly non-functional |
| UPANDRUNNING | Fully functional, like a jogger before dawn? (2,3,7) |
| ANAEROBIC | Abroad, mostly in outlying parts of Chile, mobile is functional without O2 (9) |
| BIGBEN | Much photographed functional attraction in London, England: 2 wds. |
| VINYL | In chemistry, one of the alkenyl functional groups, also called ethenyl |
| CALCULUS | Functional study shows copper deposit in thick skin (8) |
| ORGANELLE | Ring Gwyn? In terrible rage about functional structural cellular unit? (9) |
