riddle, n.
(riddles)
freq. cnt. 1
(riddles)
freq. cnt. 1
a difficult problem
<noun.communication> freq. cnt.: 1 freq. cnt.: 1
brain-teaser conundrum enigma riddle
a coarse sieve (as for gravel)
<noun.artifact>
riddle
lexical pointers
derivationally related form
semantic pointers
hypernym