GRE celerity Definition Swiftness or speed of movement or action. Example "The runner completed the race with remarkable celerity." Sign in to save GRE PDF — $25 ← celebrity celestial → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant