rapid

B1 Topic:Describing Qualities

US /ˈræpəd/ UK /ˈɹæpɪd/ See IPA manual

Freq #7141

Meanings

1

adj
Happening or moving very quickly.

The country has seen rapid economic growth.
2

noun
A part of a river where the water flows very fast over rocks.

They paddled their boat carefully through the rapids.

Thesaurus

Synonyms

1 adj · happening or moving very... speedy

Word family

Forms rapiderrapidestrapids

Derived forms nonrapidrapid-firerapidanrapidityrapidlessrapidlyrapidnessrapidographrocuroniumropiniroleultrarapidunrapid

Related forms rapt

Appears in

Phrases (1)

See all

rapid transit
urban public transport using fast underground or elevated trains

Adjective + noun

Etymology

Etymology tree Proto-Indo-European *h₁rep- Proto-Indo-European *h₁rp-i-der. Proto-Italic *rapjō Latin rapiō Proto-Indo-European *dʰeh₁-der. Latin -idus Latin rapidusder. Middle French rapidebor. ▲ Latin rapidusbor. English rapid Borrowed from Middle French rapide and its etymon Latin rapidus.

rapide Middle French rapidus Latin

View etymology graph ->

Topics

Describing Qualities

External links

# rapid

**Type:** Word
**Level:** B1
**Part of speech:** adj, noun
**IPA (US):** /ˈræpəd/
**IPA (UK):** /ˈɹæpɪd/
**Frequency rank:** 7141

## Meanings
1. Happening or moving very quickly.
2. A part of a river where the water flows very fast over rocks.

## Examples
- The country has seen rapid economic growth.
- They paddled their boat carefully through the rapids.

## Derived Forms
- nonrapid
- rapid-fire
- rapidan
- rapidity
- rapidless
- rapidly
- rapidness
- rapidograph
- rocuronium
- ropinirole
- ultrarapid
- unrapid

## Related Forms
- rapt

## Roots and Affixes
- Root: rapide
- Root: rapidus

## Etymology
Etymology tree Proto-Indo-European *h₁rep- Proto-Indo-European *h₁rp-i-der. Proto-Italic *rapjō Latin rapiō Proto-Indo-European *dʰeh₁-der. Latin -idus Latin rapidusder. Middle French rapidebor. ▲ Latin rapidusbor. English rapid Borrowed from Middle French rapide and its etymon Latin rapidus.

## AI Etymology
Rapid is borrowed from Middle French rapide and its etymon Latin rapidus. The historical chain runs from Proto-Indo-European *h₁rep-, Proto-Indo-European *h₁rp-i-der., Proto-Italic *rapjō, Latin rapiō, Proto-Indo-European *dʰeh₁-der., Latin -idus, Latin rapidusder., Middle French rapidebor., ▲, Latin rapidusbor., English rapid. Modern senses include happening or moving very quickly. and a part of a river where the water flows very fast over rocks.. The wider word family includes derivatives such as nonrapid, rapid-fire, rapidan, rapidity, rapidless, and rapidly and related forms such as rapt.

## Topics
- Describing Qualities

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