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rapid
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/ˈræpɪd/
derived words
rapidity
/rəˈpɪdəti/ noun [uncountable]The disease spread with amazing rapidity.
rapidly
adverbBusiness failures have risen rapidly in recent months.
a rapidly expanding human population
This is the British English definition of rapid. View American English definition of rapid.
Change your default dictionary and thesaurus to American English.
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