Pronounced: skwib, noun
Notes: I knew one definition (the reference has three)
Yesterday’s word
The word acuity means “sharpness; keenness”
First usage
Our word came into English around 1400
Background / Comments
I have read the phrase “visual acuity” somewhere, and thought it meant “excellent”, so I was close. Our word came from French, which came from the Latin word acuere (to sharpen).
Richard's Vocabulary Word-of-the-Day 