Searchless is a word that is rarely used in the English language. Synonyms for searchless are words such as unsearchable, undiscoverable, and impenetrable. These words describe things that cannot be found or explored easily or impossible to find through searching. Another set of synonyms for searchless includes unfathomable, inscrutable, and mysterious, alluding to something that is difficult to understand or explain. Other similar terms for searchless can be untraceable, unfindable, or inextinguishable, which all indicate a sense of elusiveness or a lack of traceability. In summary, synonyms for searchless denote things that cannot be found through traditional methods of searching or that possess an obscure essence.