1. 
   thirties
   [n] - the decade from 1930 to 1939 2. [n] - the time of life between 30 and 40
   Found op http://www.webdictionary.co.uk/definition.php?query=thirties
   
   
2. 
   thirties
   mid-thirties noun the time of life between 30 and 40
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=thirties
   
   
3. 
   thirties
   noun the decade from 1930 to 1939
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=thirties
   
   
4. 
   Thirties
   • (pl. ) of Thirty
   Found op http://thinkexist.com/dictionary/meaning/thirties/
   
   
5. 
   thirties
   
   1. the time of life between 30 and 40
   2. the decade from 1930 to 1939
   
   Found op
   
   
6. 
   thirties
   1) Mid-thirties 2) Thirty-something 3) Time of life
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/thirties/1
   
   

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