n.
 a newspaper having pages half the size of those of a broadsheet, typically popular in style and dominated by sensational stories. 
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[
as modifier]
 
chiefly N. Amer. lurid and sensational:
 a tabloid TV show.
 
  Derivative
  
    
      - tabloidization
 or tabloidisation n. 
    
   
  Etymology
  C19: from tablet + -oid; orig. a proprietary term for a medicinal tablet; the current sense reflects the notion of ‘concentrated, easily assimilable’.