Loquacity may suggest that someone talks more than necessary, which can be seen as annoying. His loquacity at the meeting was seen as disruptive.
Pro Tip 2/3
Context Matters
In a casual setting, loquacity can be friendly, but in formal situations, it might be inappropriate. Her loquacity was welcomed at the party but not at the lecture.
Pro Tip 3/3
Not Always Fluent
Loquacity doesn't mean the speaker is articulate; they may simply talk a lot without clarity. Despite his loquacity, he rarely made a clear point.