loquaciousness

As Knight’s comment indicates, Macdonald may never be confused with Carroll in terms of loquaciousness.

If you were in a hurry, his loquaciousness could be irksome.

But there's a question as to whether Boba Fett's newfound loquaciousness is a laughing matter or an odd turn for the character.

But he can also have the loquaciousness of a senator — and, as one of the longest-serving in the history of the country, he seems to have earned more words as a result.

As vice president, Mr. Biden’s loquaciousness frequently caught the tightly scripted Obama White House off guard.