quickness

/ˈkwɪknəs/
noun
  1. The quality of moving or acting with great speed.
    • The runner's quickness surprised everyone at the race.
    • Her quickness on the soccer field made her a valuable player.
    • The cat's quickness helped it catch the mouse.
  2. The ability to think or understand rapidly.
    • She showed great quickness in learning the new software.
    • The student's mental quickness earned her top marks in class.
    • His quickness in solving puzzles impressed the teacher.
Antonyms
What does "quickness" mean? | whatsthatwordmean | whatsthatwordmean