Synonyms for Brain teaser:

• n.

  •conundrum (noun)
  • closed book,
  • mystification,
  • problem,
  • brain-teaser,
  • poser,
  • puzzlement,
  • mystery,
  • riddle,
  • enigma,
  • why.

• Other synonyms:

  •Other relevant words:
  • back,
  • bafflement,
  • befuddlement,
  • bemusement,
  • bet on,
  • bewilderment,
  • biz,
  • conundrum,
  • crippled,
  • diffuse,
  • gage,
  • game,
  • gamey,
  • gamy,
  • gritty,
  • halt,
  • halting,
  • imbue,
  • interpenetrate,
  • job,
  • lame,
  • mettlesome,
  • model,
  • mystery story,
  • obfuscation,
  • penetrate,
  • permeate,
  • pervade,
  • plot,
  • poseur,
  • punt,
  • screen,
  • secret,
  • secret plan,
  • spirited,
  • spunky,
  • stake,
  • sticker,
  • stumper,
  • toughie,
  • trouble,
  • wherefore,
  • whodunit,
  • gimpy.