Quick! What's the difference between "lay" and "lie"? Or "flout" and "flaut"? How about "imply" and "infer"? Lots of people need a quick and authoritative way to identify and define the most troublesome common words. The usual approach--stalling for time until you can grasp the context of what the person has just said--has its limits. If only there a list, not of every word (after all, reading dictionaries is no one's idea of fun), but of the right words, the ones that are used frequently but don't quite register when you come across them. More Words You Should Know features straightforward, succinct definitions and sentence examples of 1500 tough--but common words. It's the kind of guide that can get you out of a jam, improve your performance at school, an advance your career. And that's no hyperbole, rigmarole, or embellishment.