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seize the moral high ground
To claim, purport, or make it appear that one's arguments, beliefs, ideas, etc., are morally superior to those espoused by others. The senator always tries to seize the moral high ground during a debate so as to shift public opinion in his favor.
seize the moment
To take full advantage of life's opportunities whenever and wherever they present themselves; to live life to one's full potential. I've tried to get the most out of life by always seizing the moment. That's how I ended up living in Europe and fell in love with your father!
seize the day
To take the opportunity to do something at the present moment without worrying about the future. This is our time. Let's seize the day! We may never get a chance to do this again.
To come to a sudden, unexpected stop and become immovable. I was so dehydrated that my leg seized up in the middle of the hike. The machine keeps seizing up. Have you checked the oil levels recently?
seize something up
to grab or take something. The crow seized the freshly hatched chick up and flew away. The huge bird seized up the tiny chick.
to freeze or halt; to grind suddenly to a stop. The engine seized up, and the car coasted to a stop. My knee seized up in the middle of a football game.
Come to a halt, as in The peace talks seized up and were not rescheduled. Originally, from about 1870 on, this term was applied to a machine of some kind that jammed or locked, owing to excessive heat or friction. Its figurative use dates from about 1950.
seize the day
If you seize the day, you do what you want straight away, without worrying about the future. I can't wait ten years. Life has taught me to seize the day, if not the hour. He knows he might never get another chance of soccer glory and is determined to seize the day. Note: This is a translation of the Latin phrase `carpe diem', which is also sometimes used.
seize the daymake the most of the present moment.
This expression is a translation of Latin carpe diem , originally a quotation from the Roman poet Horace.
To fuse or stick together with another part and become unable to move normally, especially as a result of high pressure or temperature: The car's engine seized up due to a loss of oil.