celerity
Merriam-Webster's Word of the Day for December 4, 2022 is:
celerity \suh-LAIR-uh-tee\ noun
Celerity is a formal word that means “swiftness of motion or action.”
// When the developers’ intentions became clear, the community came together with celerity to preserve the town’s beloved wetlands for future generations.
Examples:
“[Researchers] employed ultrafast laser pulses, hitting the electrons with light for as little as a trillionth of a second. Electrons in solids tend to bump into atoms instead of moving uninterrupted, so being able to control them with such celerity was crucial for the team ...” — Karmela Padavic-Callaghan, Scientific American, 8 Dec. 2021
Did you know?
Celerity hasn’t acted with much expressive celerity since its entry into English in the 1400s: it refers now as it did centuries ago to swiftness of motion or action. Its source (by way of Middle French) is the Latin adjective celer (“swift” or “speedy”), a word from which we also get accelerate, and there is some evidence of a trace of equine celerity in its deeper history: celer may go back to an Indo-European word that is the ultimate source of a Greek word meaning “swift horse” or “charger.” We know what you're thinking: whoa.