Lo is an old-fashioned word meaning “look” or “behold,” used to draw attention to something surprising or important. You might see it in older books or poems, like “Lo and behold, the treasure was hidden behind the painting!” Writers used lo when they wanted readers to pay special attention to what came next.

The word appears frequently in classic literature and religious texts. In the Bible, angels sometimes announce their arrival with lo, signaling something momentous is about to happen. Charles Dickens and other Victorian authors sprinkled lo throughout their stories to create a sense of wonder or drama.

Today, people rarely use lo in everyday conversation, though you might still hear “lo and behold” when someone wants to emphasize an unexpected discovery or outcome. If you're reading an adventure story from the 1800s and encounter lo, just think of it as the author tapping you on the shoulder and saying “Hey, look at this!”