mumpishness

Example:Despite his wealth, he exhibited a notable reticence about his business activities.

Definition:A state of speaking or communicating little, characterized by being restrained or hesitant to share information or opinions.

Example:She reacted only with a silence that spoke volumes about her anger.

Definition:The state of not making or receiving any sound, often indicating a lack of communication.

Example:After being embarrassed in public, he displayed a pronounced sullenness and mumpishness.

Definition:A state of being gloomy, sullen, and resentful; or a tendency to remain silent or unresponsive, especially as a result of ill humor or resentment.