Answer:tone is
Your tone in speaking expresses how you feel about the word or phrase mentioned
Superlative degrees are forms of the base adjectives that are defined as the highest kind or order of the adjective when more than two objects are compared from one another.Say for example, beautiful, the superlative form is most beautiful. In this case, the words of superlative degree are absolute, wealthy and smart.
Answer:
Best.... it's a superlative adjective