1. 
   vacuousness
   noun indicative of or marked by mental vacuity and an absence of ideas; `the vacuousness of her face belied her feelings`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=vacuousness
   
   
2. 
   Vacuousness
   • (n.) The quality or state of being vacuous; emptiness; vacuity.
   Found op http://thinkexist.com/dictionary/meaning/vacuousness/
   
   
3. 
   vacuousness
   vacuousness 1. A total absence of matter. 2. The state of being empty. Related 'empty' word units: ceno-; void.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2258/2
   
   
4. 
   vacuousness
   1) Emptiness 2) Vacuity
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/vacuousness/1
   
   

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