| speed | |
| 1. n. The state of moving quickly or the capacity for rapid motion; rapidity. | |
| How does Usain Bolt run at that speed? | |
| 2. n. The rate of motion or action, specifically (mathematics)/(physics) the magnitude of the velocity; the rate distance is traversed in a given time. | |
| 3. n. (photography) The sensitivity to light of film, plates or sensor. | |
| 4. n. (photography) The duration of exposure, the time during which a camera shutter is open. | |
| 5. n. (photography) The largest size of the lens opening at which a lens can be used. | |
| 6. n. (photography) The ratio of the focal length to the diameter of a photographic objective. | |
| 7. n. (slang) Amphetamine or any amphetamine-based drug (especially methamphetamine) used as a stimulant, especially illegally. | |
| 8. n. (archaic) Luck, success, prosperity. | |
| 9. n. (slang) Personal preference. | |
| We could go to the shore next week, or somewhere else if that's not your speed. | |
| 10. n. (finance) A third-order measure of derivative price sensitivity, expressed as the rate of change of gamma with respect to changes in the underlying asset price. | |
| 11. v. (intransitive, archaic) To succeed; to prosper, be lucky. | |
| 12. v. (transitive, archaic) To help someone, to give them fortune; to aid or favour. | |
| God speed, until we meet again. | |
| 13. v. (intransitive) To go fast. | |
| The Ferrari was speeding along the road. | |
| 14. v. (intransitive) To exceed the speed limit. | |
| Why do you speed when the road is so icy? | |
| 15. v. To increase the rate at which something occurs. | |
| 16. v. (intransitive, slang) To be under the influence of stimulant drugs, especially amphetamines. | |
| 17. v. (obsolete) To be expedient. | |
| 18. v. (archaic) To hurry to destruction; to put an end to; to ruin. | |
| 19. v. (archaic) To wish success or good fortune to, in any undertaking, especially in setting out upon a journey. | |
| 20. v. To cause to make haste; to dispatch with celerity; to drive at full speed; hence, to hasten; to hurry. | |
| 21. v. To hasten to a conclusion; to expedite. | |
