1. 
   Plain-hearted
   Plain'-heart`ed adjective Frank; sincere; artless. Milton. -- Plain'- heart`ed*ness , noun
   Found op http://www.encyclo.co.uk/webster/P/99
   
   
2. 
   plain-hearted
   Frank; sincere; artless. Plain'-heartedness. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?plain-hearted
   
   
3. 
   Plain-hearted
   • (a.) Frank; sincere; artless.
   Found op http://thinkexist.com/dictionary/meaning/plain-hearted/
   
   

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