talky
adjective /ˈtɔːki/
  /ˈtɔːki/
(informal)- (of a film, play or book) containing a lot of talk or conversation- The film is brilliantly animated, but it’s overly talky and suffers from painfully slow pacing.
 
- (about a person) liking to talk a lot synonym talkative- The smartest, talkiest students often need to be discouraged from dominating the class.