The expression "showed door" can mean to dismiss or expel someone, or to indicate that someone is no longer welcome. There are numerous synonyms that can be used to convey the same meaning, including "booted out," "evicted," "ousted," "banished," "removed," and "ejected." Each of these words essentially describes the act of physically or verbally removing someone from a location or situation. Additionally, the phrase "shown the door" can be used in a more figurative sense, such as being excluded or rejected from a group or organization. Synonyms for this figurative meaning might include "shunned," "excluded," "cast out," or "disowned".