(used as an interjection) an expression of surprise or skepticism or irony etc.
"Wants to marry the butler? Indeed!"
Truly; in fact; actually.
"I told you he was unreliable, and indeed he missed our meeting again without calling."
In plain English: Indeed means yes or actually, used to confirm something is true.
"I would indeed appreciate your help with this project."
Usage: Use indeed to strongly affirm a previous statement or to emphasize that something is true. Place it after the verb or at the end of a sentence for maximum natural flow.
Indicates emphatic agreement.
"I thought you hated spicy food, but you love hot sauce? Indeed."
Indeed comes from Middle English indede, which was originally a contraction of the phrase "in dede" meaning "in sooth" or "in fact." The word entered English usage in the early 14th century to express affirmation.