Synonyms of conundrum in English:

conundrum


See definition of conundrum

noun

1‘some of the conundrums facing policy-makers in the 1980s’

SYNONYMS
problem, difficult question, vexed question, difficulty, quandary, dilemma
puzzle, enigma, mystery
informal poser, facer, stumper, cruncher

2‘Roderick enjoyed conundrums and crosswords’

SYNONYMS
riddle, puzzle, word game, anagram
informal brain-teaser, brain-twister