Untying meaning : To loosen, as something interlaced or knotted; to disengage the parts of. To free from fastening or from restraint; to let loose; to unbind. To resolve; to unfold; to clear. To become untied or loosed. In the Perl programming language, to undo the process of tying, so that a variable uses default instead of custom functionality. The act by which something is untied.