What is comparative and superlative adjective of talk?

The word "talk" is a verb, not an adjective. Therefore, it does not have comparative or superlative forms.

However, if you're looking for adjectives related to "talk," here are some options with their comparative and superlative forms:

Adjective | Comparative | Superlative

---|---|---|

Talkative | More talkative | Most talkative

Conversational | More conversational | Most conversational

Verbose | More verbose | Most verbose

Loquacious | More loquacious | Most loquacious

Garrulous | More garrulous | Most garrulous

Chatty | Chattier | Chattiest

You would use these adjectives to describe someone who talks a lot or likes to talk. For example:

* "My aunt is very talkative, she never stops talking."

* "He was very conversational and easy to talk to."

* "The professor gave a very verbose lecture."