Across
- 1. move quickly through the air with a whistling or buzzing sound.
- 3. the action of functioning or the fact of being active or in effect
- 4. a device, typically a foot pedal, which controls the speed of a vehicle's engine
- 7. a word to force beyond scientific understanding
- 8. a very small patch of colour or light.
- 9. difficult to find, catch, or achieve
Down
- 2. carry out a systematic or formal inquiry
- 5. difficult or impossible to understand
- 6. demand something forcefully, not accepting refusal