problem a question raised for consideration or solution; "our homework consisted of ten problems to solve"
sudoku a number puzzle in which the numbers 1 through 9 must be placed into a grid of cells so that each row or column contains only one of each number
puzzle -
a game that tests your ingenuity
game an amusement or pastime; "they played word games"; "he thought of his painting as a game that filled his empty time"; "his life was all fun and games"
chinese puzzle intricate or ingenious puzzle consisting of boxes within boxes
jigsaw puzzle a puzzle that requires you to reassemble a picture that has been mounted on a stiff base and cut into interlocking pieces
tangram a Chinese puzzle consisting of a square divided into seven pieces that must be arranged to match particular designs
Verb
puzzle -
be uncertain about; think about without fully understanding or being able to decide; "We puzzled over her sudden departure"
figure out,
puzzle out,
solve,
lick,
work out,
work find the solution to (a problem or question) or understand the meaning of; "did you solve the problem?"; "Work out your problems with the boss"; "this unpleasant situation isn't going to work itself out"; "did you get it?"; "Did you get my meaning?"; "He could not work the math problem"
mix up,
stump remove tree stumps from; "stump a field"
riddle set a difficult problem or riddle; "riddle me a riddle"
elude,
escape escape, either physically or mentally; "The thief eluded the police"; "This difficult idea seems to evade her"; "The event evades explanation"
A puzzle is a problem or enigma that tests the ingenuity of the solver. In a basic puzzle, one is intended to put together pieces in a logical way in order to come up with the desired solution. Puzzles are often contrived as a form of entertainment, but they can also stem from serious mathematical or logistical problems — in such cases, their successful resolution can be a significant contribution to mathematical research.
OmegaWiki Dictionary
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puzzle A problem or enigma that challenges ingenuity, usually used for entertainment purposes.