Proper respect for the rules, just and equitable treatment for those involved
Actually, the phrase as used doesn't mean that: it's an Irish expression meaning: "all credit to you"; a compliment, indicating approval/admiration of someone's actions.
The Tempest dated 1610
To participate in "fair play" means to conduct yourself in a just manner. It could also refer to a baseball play in which a ball is hit within fair territory.
A barnet is Cockney rhyming slang for somebody's hair - originating from the phrase Barnet Fair.
The phrase "fair traffic" can refer to the concept of just and equitable exchange or trade. In Greek mythology, the Cyclops asks these questions to understand if Odysseus and his men have come as friends or foes, as their intentions will determine the Cyclops' response.
"Fair to middling" means that (whatever the subject) could be better, could be worse, but falls somewhere in a possibly broad range approaching indifference or mediocrity.
"Fair deuce" is a British colloquial expression used to indicate that someone is deserving of credit or respect for their actions. It can also convey a sense of fair play or acknowledgment of someone's efforts. The phrase is often used in informal contexts and may express admiration or acceptance, particularly in sports or competitive situations.
The phrase "Fair is foul, and foul is fair" sets the tone for scene one in Macbeth. This line suggests that things are not what they seem and foreshadows the theme of deception and moral ambiguity that will be prevalent throughout the play.
The phrase "Play It Again" means to play something again. For example, if this was in a mobile game, it would mean to re-play the level or do the game again.
"Fair fa" is a Scottish phrase meaning "farewell" or "goodbye." It is used to bid someone a fond farewell or to wish them well.
It means are you, the people that have been washed up from the sea, safe to be around?
It means a fair court hearing or trial
a beautiful day a day at a fair