The term "unsecurable" refers to something that cannot be made secure or safe. Synonyms for this word include vulnerable, unsafe, perilous, risky, uncertain, and insecure. Vulnerable describes something that is open to harm or in danger of being harmed. Unsafe refers to something that poses a threat to one's health or safety. Perilous implies the possibility of great danger or risk. Risky suggests the potential for harm or loss. Uncertain implies unpredictability or insecurity. Insecure describes a lack of confidence or stability. All of these synonyms describe something that is not secure and may be subject to harm or danger.