Which term reflects bitter and abusive language?

The term that reflects bitter and abusive language is "vituperation." This word is derived from the Latin root "vituperare," which means "to blame" or "to scold." Vituperation is often characterized by harsh criticism and reviling, encapsulating a tone that is not just critical but also scathing and derogatory. It is used to describe instances where language is used to express vehement disapproval in an aggressive manner, making it distinctly applicable to contexts involving insults or vehement accusations.

In contrast, the other terms do not convey the same meaning. "Deference" refers to respectful submission or yielding to the judgment of another, which is the opposite of abusive language. "Torrid" typically describes something that is very hot or full of passionate intensity but does not inherently imply any negativity or harshness in language. "Extraneous" means irrelevant or unrelated to the subject at hand, which again does not align with the concept of language being bitter or abusive. Hence, "vituperation" is the most accurate term to describe this type of language.