Select the most appropriate meaning of the given idiom.

Fair and square

According to the rules

The most appropriate meaning of the idiom "fair and square" is according to the rules. It is an informal expression that means to be honest and impartial, and to play by the rules. The idiom is thought to have originated in the 19th century, and it is believed to be a reference to the way that a fair and square game is one that is played according to the rules and without any cheating.

The other options for the meaning of the idiom are incorrect.

• Calm and quiet does not mean fair and square.
• Beautiful in appearance does not mean fair and square.
• By any means available does not mean fair and square.