Quickness

Useful speed in movement, understanding, or response.

Reach for it when praising rapid action when speed genuinely improves the result

The medic's quickness helped stabilize the injured cyclist.

• everyday

  sharpness

  mental speed and precision are being praised

  not when Sharpness can also imply severity.

• everyday

  speed

  rate alone is the point

  not when Speed does not imply control or good judgment.

• warm

  alertness

  readiness enables the response

  not when Alertness may not result in actual quick action.

• professional

  agility

  fast controlled changes of direction matter

  not when Agility can exist without high straight-line speed.

• formal

  rapidity

  a measured high rate is meant neutrally

  not when Rapidity lacks the positive competence implied by useful quickness.

• literary

  swiftness

  rapid action deserves graceful wording

  not when Swiftness sounds elevated for a routine metric.

• slowness
• delay
• lethargy

• quickness of response

  The quickness of response prevented water from reaching the archive.

• mental quickness

  Her mental quickness revealed the flaw before the vote.

• surprising quickness

  The tortoise moved with surprising quickness toward the shade.

• Quick adj.
• Quickly adv.

Quickness is not a headword in the dictionaries below. The sense was checked against their entries for quick, and the definition and example here are written for Quickness itself.

• wiktionary, the entry for quick, English noun sense: quality of being quick ↗opens in a new tab · retrieved 2026-07-26

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.