paradox Synonyms

enigma puzzle riddle contradiction absurdity contradiction in terms impossibility incongruity inconsistency mystery oddity quandary dilemma antinomy anomaly conundrum stumper self-contradiction secret disproportionateness reverse teaser misconstrual reverse psychology brain-teaser koan paradoxically shocker puzzler another adverse tension problem poser phenomenon disproportion difficulty dichotomy crux contrast contrariety conflict catch antithesis antilogy dramatic equivocation error perplexity oxymoron opposite