What does it is decidedly so mean?

"It is decidedly so" is a phrase that means "Absolutely, without a doubt, or certainly." It expresses strong affirmation and leaves no room for uncertainty.

Here's a breakdown:

* Decidedly: This word emphasizes certainty and conviction. It means "without hesitation" or "definitely."

* So: This word acts as a confirmation of the preceding statement.

Example:

* "Is it time for dinner?"

* "It is decidedly so!"

This phrase is often used in a formal or slightly humorous context to emphasize a clear and definitive answer. It can also be used to express strong agreement or approval.