What does the term "abrupt" most closely mean?

The term "abrupt" most closely means "sudden." It refers to something that happens unexpectedly or without warning. This aligns with how "abrupt" is commonly used to describe events or changes that occur quickly and without any forewarning. In various contexts, such as a sudden change in weather or an unexpected ending to a conversation, "abrupt" captures the essence of immediacy and lack of preparation. Understanding the nuances of vocabulary is essential, as it helps to accurately convey emotions or actions, noting that sudden changes can often elicit strong reactions.