conundrum conumerous • conundrumize · · · Info · Definitions · Synonyms · Characters · · conundrum · · Text Latin · · Script 9 · · Length Definitions · · · (noun) a difficult problem. Synonyms: riddle, enigma, brain-teaser. · · Noun Definition 1 Synonyms · · · riddle · · Synonym 1 enigma · · Synonym 2 brain-teaser · · Synonym 3 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075