- The condition or quality of being quick or living; life. - Activity; briskness; especially, rapidity of motion;
speed; celerity; as, quickness of wit. - Acuteness of perception; keen sensibility. - Sharpness; pungency of taste.
Meaning of 'quickness' (Princeton's WordNet)
1 . quickness
[ n]
Meaning (1): - skillful performance or ability without difficulty