There are various synonyms for the word "beat badly" that express a forceful action or result. For instance, some of the synonyms that convey this message include "thrash," "pummel," "maul," "whip," "lambaste," and "rout." These words describe the act of hitting or striking someone or something very hard and repeatedly. Other synonyms may include "trounce," "vanquish," "overpower," "crush," "demolish," and "annihilate," which express an overwhelming defeat or destruction of an opponent. These words are commonly used in discussions about sports, fights, wars, and other competitive situations where one side has been dealt with a severe and merciless loss.