Un-covered refers to a state where something is not fully protected or safeguarded. There are several synonyms for un-covered, including exposed, vulnerable, unprotected, open, and unguarded. When something is exposed, it is revealed or made visible, lacking any covering or veil. Vulnerable implies that something is susceptible to harm or attack, with little or no protection. When something is unprotected, it lacks physical covering or defense, and can be easily affected by external factors. Open refers to something that is not enclosed or covered, and can be easily accessed or viewed. Lastly, unguarded implies that something is without protection, defense, or surveillance, and is thus easily accessible to danger or harm.