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1. To orient something along a particular line, edge, angle, or plane. A noun or pronoun can be used between "square" and "up." Make sure you square up the picture frame before you nail anything into the wall. You should try to square your shoulders up so that you aren't so hunched while you sit.
2. To orient one's body to be parallel to some line or plane. Make sure you square up to the tee before you swing the golf club. He squared up to the tree and started striking it with his axe.
3. To confront someone in defiance or hostility or in preparation for a fight. He squared up to the guy who had been making lewd remarks about his girlfriend. Protestors squared up to police during the march, but thankfully there was no violence.
4. To face someone in competition. The two boxers are squaring up tomorrow at 7 PM.
5. To pay the balance of what is owed to someone. You get our jackets while I go square up with the bartender. Brian and I need to square up for those plane tickets soon—I hate owing someone money.
square something up
to cause something to have right angles. Please square the door frames up better before you nail them in. Can you square up this box a little better?
square up (for fighting)
to get ready for an argument or a fight. John was angry and appeared to be squaring up for a fight. When those two square up, everyone gets out of the way.
square up to someone or something
to face someone or something bravely; to tackle someone or something. You'll have to square up to the bully or he'll make your life miserable. It's time to square up to your financial problems. You can't just ignore them.
Settle a bill or debt, as in The others went to get the car while he squared up with the waiter. This idiom derives from square in the sense of "set straight." [Early 1800s]
1. To make something conform to a desired plane, straight line, or right angle: He squared up the picture and nailed it in place. The golfer squared her feet up to the hole.
2. To make one's body, especially one's feet or shoulders, conform to a desired plane, straight line, or right angle: The football players squared up to the line of scrimmage. The basketball player squared up and shot a free throw.
3. square up to To come face to face with someone or something, especially with defiance or hostility; confront someone or something: The prisoners squared up to the guards and demanded better food.
4. To face one another in a competition: The two teams will square up tonight.
5. To settle some bill or debt: We went to the bar to square up our bill from the night before. The landlord demanded that I square up before the end of the month.
mod. no longer taking drugs. (Drugs.) Walter is squared up now and spends a lot of time trying to help others.