| UNMENTIONABLE | Forbidden as a topic of conversation (13) |
| NOGO | Forbidden, as a zone |
| TURNSOUT | Acts forbidden, as it happens (5,3) |
| TREF | Forbidden as food in Judaism (4) |
| HARE | It might be started as a topic of conversation (4) |
| AROSE | Came about, as a topic of conversation |
| ARISE | Come up, as a topic of conversation |
| TALKINGPOINT | Little thanks to second-class member of royal family with Spike - that's a topic of conversation! (7 |
| PHONECALL | It's a topic of conversation down the line, as it's leaving Capstone Hill (5,4) |
| COMEUP | Become a topic of conversation |
| LYNCHLAW | Demands an illegal suspension in Lombardy around concert hall - it's a topic of conversation at the bar (5,3) |
| SUBJECTMATTER | Butter, jams etc. was the topic of conversation (7,6) |
| TALKOFTHETOWN | Old London club the main topic of conversation (4,2,3,4) |
| TAPIOCA | A topic of cooking a pudding (7) |
| ISSUE | One's offspring could be a topic of discussion |
| HOBBYHORSE | Spring is endless for a follower near Mount - it's a favourite topic of conversation (5,5) |
| SLOENEWSDAY | Period when the only topic of conversation is a blackthorn fruit? |
| SEGUE | Transition into a new topic of conversation |
| SWITCHGEARS | Move onto a new topic of conversation, metaphorically |
| PANEL | Experts who discuss before an audience a topic of public interest (5) |