(informal) any of several sports teams whose uniform is predominantly blue, such as: / The New South Wales Blues.

Money, riches, or wealth, especially when seen as having a corrupting effect or causing greed, or obtained in an underhanded manner.

(uncountable) The condition of taking part in cooperation / (countable) The extent to which something cooperates

(chiefly historical) Someone skilled in dialectics: someone able to arrive at logical conclusions through reasoned argument.