The term 'TALKS LOUDLY AND PERSISTENTLY' can be summarized by the word 'YAMMERS', which is a seven-letter word. YAMMERS are people who talk loudly and persistently, often in an annoying or disruptive manner. They are usually characterized by their loud and persistent talking, which can be difficult to ignore. YAMMERS may also be seen as someone who talks too much and does not allow others to get a word in edgewise.