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Beginner's Dictionary
       

rap·id

rapid

 
 
pronunciation:
rae pihd
features:
Word History, Word Builder
part of speech: adjective
definition: very quick or fast.
The police had a rapid response to the emergency.
synonyms:
fast, quick
antonyms:
slow
similar words:
express, rushing
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.