There are numerous words that can be used as synonyms for the phrase "beat violently." A few of these words include pummel, thrash, pound, hammer, batter, and savage. Each of these words conveys a sense of forceful, intense action, which may be either physical or metaphorical in nature. While these words may be somewhat interchangeable in their meanings, they can convey slightly different shades of connotation, depending on the context in which they are used. Whether one is describing a physical altercation, an emotional outburst, or a musical rhythm, there are a multitude of synonyms to choose from that can add nuance and specificity to one's language.