There are numerous synonyms that can be used to replace the phrase "threw out." Some of the synonyms include "disposed of," "tossed," "discarded," "chucked," "pitched," "jettisoned," "expelled," "banished," and "ejected." Each of these synonyms conveys the idea that an object or item is being removed or eliminated in some way. Additionally, the synonyms can be used in various contexts and situations. For example, "disposed of" can be used in a business context to mean getting rid of old or outdated equipment, while "banished" could be used to describe someone being kicked out of a social group. Overall, there are numerous synonyms that can be used to add variety and nuance to the phrase "threw out".