a difficult problem
communication noun (communicative processes and contents)
brainteasers
brain-teaser | brain-twister | conundrum | enigma | riddle
The word brainteaser means a playful puzzle posed as a test of intelligence. For the puzzle, see Brain teaser. | For the British quiz show, see BrainTeaser. (26 of 67 words, 2 definitions)
Syllabification: (brain-teasĀ·er) | [informal] | a problem or puzzle, typically one designed to be solved for amusement. (15 of 39 words, 3 definitions)
oxforddictionaries.com/definition/american english/brain--teaser
a problem for which it's hard to find the answer, especially one which people enjoy trying to solve as a game (21 of 36 words, 1 usage example, pronunciations)
dictionary.cambridge.org/dictionary/british/brainteaser
something (as a puzzle) that demands mental effort and acuity for its solution (13 of 35 words, pronunciation)
a puzzle or problem whose solution requires great ingenuity. (9 of 14 words, pronunciation)
an intellectually challenging puzzle, problem, game, etc. (7 of 9 words)
A mentally challenging problem or puzzle. (6 of 7 words)
A difficult problem or puzzle (5 of 6 words)
a riddle, especially one whose answer makes a play on words | a puzzling question or problem (16 of 456 words, 2 definitions, 9 usage examples, pronunciation)
a difficult problem that seems to have no solution | a question asked as a trick that is answered by using words in a surprising way (25 of 49 words, 2 definitions, pronunciation)
www.macmillandictionary.com/dictionary/british/conundrum
deliberately enigmatic or ambiguous question requiring a thoughtful and often witty answer. The riddle is a form of guessing game that has been a part ... (25 of 543 words)
puzzling question, specifically one that consists of a fanciful description or definition of something to be guessed. A famous riddle was asked by the ... (24 of 191 words)
a difficult or complex problem that requires careful thought in order to solve it, often done for amusement (18 of 33 words, pronunciation)
encarta.msn.com/dictionary 1861686633/definition.html [offline]
Audio 1: British English pronunuciation of "brainteaser"
Audio 2: North American English pronunuciation of "brainteaser"
dictionary.cambridge.org/dictionary/british/brainteaser
Audio 1: North American English pronunciation of "brainteaser"
Audio 2: British English pronunciation of "brainteaser"
Audio 3: North American English pronunciation of "brainteaser" by speech synthesizer
www.thefreedictionary.com/brainteaser
Audio 1: North American English pronunciation of "brain-teaser"
Audio: North American pronunciation of "brainteaser"
www.merriam-webster.com/audio.php file=braint01 word=brainteaser
Page last updated: 2013-06-26