| SOUNDPROOF | Preventing the passage of noise |
| GREENHOUSE | The ___ effect describes how the radiation from a planet's atmosphere warms the surface of that planet by preventing the heat from escaping into space |
| ANTISEPTIC | Pat incites trouble by preventing the spread of microorganisms (10) |
| ANTISTATIC | Preventing the build-up of electricity on an item |
| EARTHQUAKE | Any sudden shaking of the ground caused by the passage of seismic waves through Earth's rocks; it can be a signal that a volcano is about to erupt. (10) |
| CATTLEGRID | A set of metal bars in the surface of a road, intended to prevent the passage of livestock (6,4) |
| FILIBUSTER | Tactic of speaking at length to obstruct the passage of legislation in a parliament or congress (10) |
| TIMEPIECES | Clocks, watches and other horologes for indicating the passage of hours, minutes and seconds (10) |
| CONTAINMENT | Action of preventing the spread of something harmful |
| THERMAL | Preventing the loss of body heat, of clothing |
| PROPOSAL | A __, Jonathan Swift's way of Preventing the Children of Poor People from Being a Burthen to Their Parents or Country? (6,8) |
| MODEST | A __, Jonathan Swift's way of Preventing the Children of Poor People from Being a Burthen to Their Parents or Country? (6,8) |
| HAMPERING | Preventing the progress of (9) |
| FORCEMAJEURE | Circumstances preventing the fulfilment of a contract |
| VESTS | Looks after the dogs around point-to-point for those preventing the local slugs from going any furth |
| CHAFF | Rubbish preventing the aircraft being detected (5) |
| TRANSIT | In astronomy, the passage of a planet across the face of the Sun or the Moon (7) |
| GREY | Whig politician whose term as prime minister saw the passage of the Reform Act and the abolition of slavery throughout the British Empire (4) |
| AGE | The end of the passage of time? (3) |
| RUT | Tom initially returns to the old city sign of the passage of vehicle... (3) |