To speak ambiguously or enigmatically.
To solve, answer, or explicate a riddle or question.
Riddle me this.
To put something through a riddle or sieve, to sieve, to sift.
You have to riddle the gravel before you lay it on the road.
To fill with holes like a riddle.
The shots from his gun began to riddle the targets.
To fill or spread throughout; to pervade.
Your argument is riddled with errors.
To plait
Material removed by riddling, or sieving.
The posing or solving of a riddle.