• (a.) Having no father; fatherless; hence, born contrary to nature. • (a.) Having no acknowledged father; hence, illegitimate; spurious; bastard. Found on http://thinkexist.com/dictionary/meaning/unfathered/
having no father; fatherless. · of illegitimate or unknown paternity; bastard. · not ascribable to a particular author or source: unfathered tales. Found on https://www.infoplease.com/dictionary/unfathered