Definition of Riddle

Noun

• a coarse sieve (as for gravel)
  
• a difficult problem
  conundrum enigma - brain teaser

Verb

• explain a riddle
  
• speak in riddles
  
• spread or diffuse through
  "An atmosphere of distrust has permeated this administration"
  "music penetrated the entire building"
  "His campaign was riddled with accusations and personal attacks"
  permeate pervade penetrate interpenetrate diffuse imbue
• separate with a riddle, as grain from chaff
  screen
• set a difficult problem or riddle
  "riddle me a riddle"
  
• pierce with many holes
  "The bullets riddled his body"
  

• Scrabble® score of the riddle (8)
• Word Chums® score of the riddle (9)
• Words With Friends® score of the riddle (9)