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# rapidity

noun (rapidity, uncountable)

«rapidity» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

(formal) Great speed; how fast something happens. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/#m1)

### In the lessons

A stiff, exam-voice word for speed. In science texts: «the rapidity of the reaction». In stories, «with great rapidity» means very fast. Phrases: with rapidity, the rapidity of.

### Examples

- The fire spread with alarming rapidity. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/#x1)
- The rapidity of his answer surprised the teacher. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/#x2)
- Cheetahs run with great rapidity. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/#x3)
- The rapidity of the reaction increased when we heated it. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/#x4)
- The news travelled with rapidity. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/#x5)
- Children grow with surprising rapidity. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/#x6)
- "Sire," replied the Indian, "the rapidity of his movements took me so by surprise that he was out of hearing before I recovered my speech. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/#x7)

### Note

Uncountable. Adjective: rapid; adverb: rapidly. Formal; in speech say speed or quickness.

## On Mova

- [Trees and pragmatics of «rapidity» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/R/rapidity/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«rapidity» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/rapidity.html) on Mova free.