Most often, quotation marks are used to show someone’s exact words. Sometimes, they also signal sarcasm or irony. In most cases, there is nothing especially unusual about this little punctuation mark.

This is the Grammar Guy column, a weekly feature written by Curtis Honeycutt. I can think of a few things off the top of my head that I hope never to use: math, a fire extinguisher, Pepto Bismol and ...

I don’t remember when I first learned about single quotation marks, but I have a vague memory of assuming they were as useful as quotation marks, or close to it. Sometimes you quote someone. Sometimes ...

What are news readers to make of quotation marks in an article or headline? It seems a simple question, but this punctuation occasionally causes a misimpression. The issue arose recently after The ...