1. 
   fortnightly
   [adj] - occurring every two weeks 2. [adv] - every two weeks
   Found op http://www.webdictionary.co.uk/definition.php?query=fortnightly
   
   
2. 
   Fortnightly
   Fort'night`ly adjective Occurring or appearing once in a fortnight; as, a fortnightly meeting of a club; a fortnightly magazine, or other publication. -- adverb Once in a fortnight; at intervals of a fortnight.
   Found op http://www.encyclo.co.uk/webster/F/66
   
   
3. 
   fortnightly
   biweekly adjective occurring every two weeks
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=fortnightly
   
   
4. 
   fortnightly
   biweekly adverb every two weeks; `he visited his cousins fortnightly`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=fortnightly
   
   
5. 
   Fortnightly
   • (a.) Occurring or appearing once in a fortnight; as, a fortnightly meeting of a club; a fortnightly magazine, or other publication. • (adv.) Once in a fortnight; at intervals of a fortnight.
   Found op http://thinkexist.com/dictionary/meaning/fortnightly/
   
   
6. 
   fortnightly
   1) Biweekly 2) Period 3) Period of time 4) Time period
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/fortnightly/1
   
   

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