One of the more memorable lessons was the misuse of the word "peruse," which is often taken to mean looking over something in a superficial manner. In fact, the word connotes a more detailed examination. According to Merriam-Webster.com, the definition is:
Dorky linguaphiles will find more fun grammar tidbits on O'Conner website http://www.grammarphobia.com. Also, feel free to peruse this website from Princeton University for more commonly misused words and expressions.1 a: to examine or consider with attention and in detail : study
b: to look over or through in a casual or cursory manner
2: read; especially : to read over in an attentive or leisurely manner
Etymology: Middle English, to use up, deal with in sequence, from Latin per- thoroughly + Middle English usen to use.