| SEVERINGALLTIES | Ceasing communication and destroying entire neckwear collection? (8,3,4) |
| BREAKINGFORTH | Emerging and destroying speaker's quarter |
| BLOWINGUP | Losing one's temper and destroying (7,2) |
| SACKING | PLUNDERING AND DESTROYING |
| SPEECHTHERAPIST | Which expert treats communication and language disorders? (6,9) |
| DISCONTINUATION | A breaking off or ceasing |
| SCOVELL | During the Peninsular War of 1808-14 he developed a system of military communications and intelligence gathering for the British that intercepted French letters and dispatches to and from the battlefi |
| LIAISON | Maintenance of communication and contact (7) |
| CYBERNETICS | Science of communication and automatic control systems |
| AUTISM | Condition affecting social communication and interaction |
| EMAIL | Communication and letter to post |
| BACKCHANNEL | Unofficial means of communication, and a hint to each set of circled letters |
| TELEGRAPHPOLE | Upright supporting communication and electrical wires (9,4) |
| SONAR | A communication and position-finding device used in underwater navigation (5) |
| MERCURY | Roman god of communication and commerce, who guided souls to the underworld (7) |
| WORDSMITH | One skilled in communication, and bagging gold medal (9) |
| HANGUP | Break off communication and keep in suspense (4,2) |
| CYBERNETIC | Relating to communications and automatic control systems in both machines and living things |
| EGYPTOLOGY | Study of an ancient civilisation who used hieroglyphics as a form of communication and mummification |
| RADIO | An early form of wireless sound communication and one used in 1952 to broadcast, live from Sandringham, Queen Elizabeth II's first Christmas message (5) |