1. skillful performance or ability without difficulty

- his quick adeptness was a product of good design

Similar word(s): adeptness, adroitness, deftness, facility

Definition categories: thought, skillfulness

2. intelligence as revealed by an ability to give correct responses without delay

Definition categories: thought, intelligence

3. a rate that is rapid

Similar word(s): celerity, rapidity, rapidness, speediness

Definition categories: attribute, pace, rate

Sentences with quickness as a noun:

- The quickness of the hand deceives the eye.