General synonyms:
* Speed: This is the most common synonym, but it only refers to the magnitude of velocity, not its direction.
* Pace: Similar to speed, but often implies a steady and consistent rate of movement.
* Swiftness: Similar to speed, but emphasizes rapid movement.
* Rapidity: Similar to swiftness, but emphasizes quickness.
* Momentum: Refers to the tendency of an object to continue moving in the same direction and at the same speed.
* Rate of change: This is a more formal term, used to describe the change in position over time.
More specific synonyms:
* Acceleration: Refers to the rate of change of velocity over time.
* Deceleration: Refers to a decrease in velocity over time.
* Displacement: Refers to the change in position of an object.
* Flow: Refers to the movement of a fluid, often used in a specific context like "blood flow."
Words with similar connotations:
* Forceful: Suggests a powerful movement.
* Energetic: Implies a lively and vigorous movement.
* Rapid: Emphasizes quickness and speed.
* Dynamic: Refers to something that is constantly changing and moving.
The best synonym for "velocity" will depend on the specific context of your writing or conversation.