How to be unsearchable on WP

[Carebear]

I have a wordpress web site hosted with godaddy and would like to be unsearchable on the search engines and to block certain keywords. I have tried the robots.txt plugin route with no luck - also have toyed with the Privacy Settings on my WP account.. also no luck

Please advise

Thanks,
C.

 

[bnehost]

I hope this helps http://www.thesitewizard.com/apache/block-bots-with-htaccess.shtml