meal: 1. To have three meals a day, to go out for a meal. When do you have your evening meal? 2. To cook (prepare/make) a meal, a tasty meal. Yesterday dad cooked us a tasty meal.
obese: Obese people. To be obese is dangerous for your health. Obese people have a lot of problems travelling.
quick: A quick worker, a quick learner, to be quick. Please be quick and do something. Quickly: To do things quickly. She went quickly out of the room. We have to work quickly.
smoke: n: A cloud of black smoke. There's no smoke without fire. v: 1. To smoke badly. The wood was wet and our fire was smoking. 2. To smoke a cigarette. I don't smoke. Smoking may damage your health. Please don't smoke here.
Fast food: Fast food is food like hamburgers or cheeseburgers. Fast food can be harmful.
Junk food: Junk food is unhealthy because there is a lot of fat, salt or sugar in it. Chips, sweets and cakes are junk food.