Talking a lot, especially while at work. Communicating frequently with your Coworkers. Striking up conversation with attractive men in neon green shirts and khaki pants. See also: Chatty Cathy, Gossiping Gabby, Bellowing Billie or Talkative Tony
Billie was not very chatative with Dave at work today because she was up too late last night.
Similar to the word, talkative. Has alot to say.
I couldnt have a conversation with simon. He was not very chatative.