talkative
adj.tending to speak a lot or to talk about many different things. You use this to describe someone who cannot keep quiet for long.
adj.tending to speak frequently or at length; characterized by a high volume of speech. Often used to describe a person's personality or a specific conversation's nature.
“She is very talkative and always has a lot to say.”
“The two friends sat on the porch for hours, enjoying their talkative conversation about their childhood.”
“While some find his talkative nature to be a charming trait, others find it difficult to engage in deep, meaningful discussions when he dominates the conversation.”
From Middle English talkatyve, equivalent to talk + -ative.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.