Definitions of celerity

1. Rapidity of motion; quickness; swiftness.

2. Quickness: rapidity of motion.

3. Rapidity; swiftness.

4. Quickness; speed.

5. Speed in anything, as actions, words, thoughts, or of bodies on or near the earth; - velocity is more frequently applied to objects remote or inappreciable, as the planets, sound, light, & c.;- swiftness.