👉 "Unrebuffable" is a phrase that describes someone who is unrepentant or stubborn, and cannot be convinced to change their mind. It is often used in a positive context to describe someone who refuses to give up on something they believe in. The word "unrebuffable" can also refer to someone who is so strong-willed or determined that it is difficult for others to convince them to change their mind, and the term is often used in a negative sense to describe