swiftness

IPA/ˈswɪftnəs/
KK[swˈɪftnəs]IPA/ˈswɪftnəs/

swiftness — noun

1. very fast movement or action; the quality of moving or happening with great spee

1.名詞B2
釋義

very fast movement or action; the quality of moving or happening with great speed

例句

Manuela finished the report with a swiftness that surprised her boss.

The swiftness of the river current carried the kayak toward the waterfall.

同義詞
  • speed

    the most common word; can be measured in numbers

  • quickness

    often suggests mental sharpness or short reaction time

  • rapidity

    more formal; used for processes that happen fast

  • celerity

    very formal and rare; mainly in literary contexts

反義詞

用法筆記

More formal than speed or quickness. Often used in descriptive or literary writing to suggest graceful, impressive speed rather than just a fast rate.

常見錯誤

❌The swiftness limit on this road is 50 miles per hour.
✅The speed limit on this road is 50 miles per hour.
💡'speed' is used for measurable rates; 'swiftness' describes the quality of being fast, not a number.