“Like the AP Stylebook, Merriam-Webster reflects today ... aligning with other semi- words (semicircular, for example). Here are prefix rules of thumb: Use a hyphen if the prefix ends in ...

Per the AP Stylebook, you may also use Gulf or Gulf Coast to describe the body of water along the Louisiana, Texas, Mississippi, Alabama and Florida coasts. There are other examples where the AP ...

CU Boulder uses The Associated Press Stylebook as our official style guide. However, we depart from AP style in a few cases. Please check our list of those exceptions. This guide provides ...