title: Is it possible to undefine a variable in ColdFusion?
body: <p>Is it possible to undefine a variable in ColdFusion?</p>
  
  <p>For example, something like this:</p>
  
  <pre><code>&lt;cfset myVar = "lsajflksd" /&gt;
  &lt;cfoutput&gt;
    &lt;p&gt;myVar is Defined? #IsDefined("myVar")#&lt;/p&gt; &lt;!--- Prints YES ---&gt;
  &lt;/cfoutput&gt;
  &lt;cfset Undefine(myVar) /&gt; &lt;!--- Doesn't exist... ---&gt;
  &lt;cfoutput&gt;
    &lt;p&gt;myVar is Defined? #IsDefined("myVar")#&lt;/p&gt; &lt;!--- I want it to print NO ---&gt;
  &lt;/cfoutput&gt;
  </code></pre>