The word "clamjamfry" is a rarely used term that refers to a noisy and chaotic gathering of people. If you are looking for synonyms to replace this interesting word, you can use terms such as commotion, turmoil, hubbub, uproar, ruckus, pandemonium, confusion, bedlam, mayhem, or cacophony. These words can effectively convey the same message as "clamjamfry," and they can be used interchangeably depending on the intended context. Therefore, if you want to express the idea of a noisy gathering without using the word "clamjamfry," these terms can help you communicate the message effectively.