The word "dall" can refer to a variety of things depending on the context. It can mean to waste time or to play around, as in "stop dalling around and get back to work". Alternatively, it can refer to a type of fish, the Dall's porpoise, or the Dall sheep, a type of wild sheep found in the mountains of North America. Some synonyms for the verb form of "dall" could include procrastinate, linger, or dawdle. For the noun form, synonyms could include dalliance, playfulness, or leisure. The specific context of the word will determine the most appropriate synonym to use.