Indeed is a word that emphasizes and confirms something, making it stronger or more certain. When your friend says “That test was hard” and you reply “Indeed it was,” you're agreeing emphatically. It's like saying “yes, absolutely” or “that's definitely true.”

People often use indeed to add weight to a statement. A teacher might say, “This is indeed the most challenging problem we've tackled this year.” The word signals that something is genuinely, unmistakably true.

Indeed can also intensify what came before it. If someone says “She's smart, indeed brilliant,” they're using the word to step up from one idea to a stronger one. It's a way of emphasizing something even more strongly.

The word has a somewhat formal sound, so you'll hear it more in serious conversations, books, or when someone wants to sound thoughtful and precise. You might read it in a biography: “Lincoln faced many setbacks, but he was indeed determined to preserve the Union.” Using indeed well shows you're thinking carefully about what you're saying and want others to understand just how true or important it is.