Quickly or rapidly?

Question

When is quickly or rapidly used? What's the difference?

Answer 1

They have overlapping meanings. Rapidly means with great speed. Quickly can mean rapidly or with little delay.

Answer 2

Read Lorenzo's reply. The are synonyms when used to mean "speedily" but only quickly works when you mean "soon"/"right away".

Put another way, "quickly" = "de/con prisa" or "en seguida" while "rapidly" = "de/con prisa"

Answer 3

Fast is actually used more often than either quickly or rapidly, at least in the US.

Answer 4

They are synonyms, but quickly is commonly used when speaking and rapidly, which is slightly more formal, is used mostly in written English. (This isn't a rule, but merely a usage tendency.)

Answer 5

quickly /'kwIkli/ adverbio de prisa, rápidamente

rapidly adverbio deprisa rapidly changing technology tecnología que cambia muy deprisa This is rapidly becoming a trend. Se está poniendo de moda muy deprisa.