sə-rē Siree is defined as an alternative spelling for sirree, which is used to put emphasis on a yes or no answer as in "yes siree." An example of siree is what an arborist would add to their "yes" response when asked if they like trees; yes siree. interjection.

What does no siree mean?

informal North American. 'No indeed'; 'certainly not'. Occasionally more fully "no siree bob", "no siree bub".

Where does Yes siree come from?

Mid 19th century; earliest use found in Dollar Newspaper (Philadelphia). From yes + siree, variant of sorry.