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Elementary Dictionary
       

rap·id

rapid

 
 
pronunciation:
rae pihd
features:
Word History, Word Builder, Word Explorer
part of speech: adjective
definition 1: When something is rapid, it happens quickly. If you are learning how to play the piano and you are making rapid progress, you are learning and improving quickly.
There was a rapid change in the weather this afternoon. At first, it was warm and sunny, then suddenly it began to rain and it got much cooler.
synonyms:
quick, sharp
antonyms:
slow
similar words:
fast, sudden
definition 2: When something is rapid, it goes at high speed.
Rapid speech can be hard to understand.
antonyms:
slow
similar words:
fast, quick
derivations: rapidly (adv.), rapidness (n.)
Word History
Rapid comes from a Latin word that means "to hurry away or carry off." If you fall into the river rapids, you are likely to be carried off.
Word Builder: rapid +
  • rapidly:
    in a rapid way; fast.
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