When we say "not ruled out," it means that something is still a possibility or an option, even though it hasn't been confirmed or accepted yet. Some synonyms for this phrase are: not eliminated, not excluded, not dismissed, not rejected, not prohibited, not precluded, not barred, not forbidden, not denied, not blocked. These phrases all carry a similar connotation of something being left open for consideration or further exploration. Using synonyms can help add variety to our writing and communication and prevent repetitive language. It is important to choose the most appropriate synonym for the specific context in order to communicate effectively.