What is the definition of gibe?

The definition of "gibe" refers specifically to the act of uttering taunting or mocking words. This term is often used in contexts where someone is making a sarcastic remark or jeer aimed at another person. It conveys a sense of ridicule or scorn. In contrast, the other options either describe supportive or sympathetic actions or indicate a lack of response, which does not align with the meaning of gibe. The focus on taunting in the correct answer captures the essence of how the term is used in language, making it the most fitting choice.