'brain-teaser' definitions:
Definition of '
brain-teaser
'
From:
WordNet
noun
A difficult problem [syn:
riddle
,
conundrum
,
enigma
, brain-teaser]
Definition of '
brain-teaser
'
From:
GCIDE
brain-teaser \brain-teaser\ n. a difficult problem.
Syn: riddle, conundrum, enigma. [WordNet 1.5]
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