Answer: riddle

AnswerCrossword Clue
RIDDLE

Conundrum

RIDDLE

Question posed by Turandot

RIDDLE

Question meant to confound

RIDDLE
Stumper
RIDDLE
"When is a door not a door?," e.g.
RIDDLEPermeate
RIDDLEBrainteaser
RIDDLEVerbal puzzle
RIDDLEFill with holes
RIDDLEFill full of holes
RIDDLEMind-teasing question
RIDDLEPuzzling question
RIDDLESphinx offering
RIDDLEMind teaser
RIDDLEVexing question
RIDDLEHead-scratcher
RIDDLEThe Sphinx had a famous one
RIDDLEWhat the Sphinx asked.
RIDDLESomething perplexing.
RIDDLEPerplexity.
RIDDLEEnigma.
RIDDLEPuzzle.
RIDDLEPuzzling question.
RIDDLEPuzzling person.
RIDDLEMystery.
RIDDLEWhat Oedipus solved
RIDDLEPoser
RIDDLEBandleader Nelson
RIDDLEPierce with many holes
RIDDLENelson ... of songdom
RIDDLE"What has four wheels and flies?"
RIDDLEBrain stumper
RIDDLESphinx's offering
RIDDLEEnigma
RIDDLEMind twister
RIDDLETurandot's test
RIDDLEIt doesn't have an obvious answer
RIDDLEJudges 14:14 has the only one in the Bible
RIDDLEPerforate thoroughly
RIDDLETricky question