What is Up ?
Up is adv 1. in or to a high place Put your hands up above your head. What’s the cat doing up there on the cupboard? (NOTE: up is often used after verbs: to keep up, to turn up.) 2. to a higher position His tem- perature went up suddenly. The price of petrol seems to go up every week. 3. not in bed The children were still up when they should have been in bed. They stayed up all night watching films on TV. He got up at six because he had an early train to catch. It’s past eight o’clock – you should be up by now. 4. towards the north I’ll be going up to Scotland next week. 5. in London Give me a call next time you’re up in town. I’m up in London next week for a meeting. 6. completely, entirely The puddles dried up quickly in the sun. 7. the road is up the road is being repaired 8. happening in an un- pleasant or dangerous way Something’s up – the engine has stopped! what’s up? what’s the matter? what’s up with him? what is the matter with him? What’s up with the cat? – It won’t eat anything. prep 1. in or to a high place They ran up the stairs. She doesn’t like going up ladders. 2. along Go up the street to the traffic lights and then turn right. The house is about two hundred metres up the road. verb 1. to raise prices etc. They upped their offer to £1000. 2. to stand up, to get up She upped and left him when she heard he had been seen with her best friend. (NOTE: upping – upped) noun the ups and downs of life in the army the good and bad times in army life
source: Easier English, Student Dictionary Upper Intermediate Level