rapidity

Other forms of rapidity

plural

rapidities·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about rapidity

What does rapidity mean?

rapidity means "a rate that is rapid".

How many syllables are in rapidity?

rapidity has 4 syllables: ra-pid-i-ty. The stress falls on "pid". In IPA it is /ɹəˈpɪdəti/.

What is another word for rapidity?

Close synonyms include celerity, quickness, rapidness, speediness. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is rapidity a common word?

rapidity is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.