/weɪt/ ●●● noun 1WHAT somebody/something WEIGHS [uncountable] how heavy someone or something is: She’s always worried about her weight. Have you lost weight (=become thinner)? I think he’s put on some weight (=become fatter). I’m watching my weight (=being careful not to gain weight).2HEAVINESS [uncountable] the fact of being heavy: The weight of her boots made it hard for her to run.3HEAVY THING [countable] something that is heavy: I can’t lift heavy weights because of my bad back.4RESPONSIBILITY/WORRY [singular] something that makes you worry: It’s normal for new fathers to feel a huge weight of responsibility. Selling the house was a great weight off my mind.5IMPORTANCE [uncountable] if something has weight, it is important and influences people: Tina’s opinion doesn’t carry much weight around here.6FOR MEASURING QUANTITIES [countable] a piece of metal weighing a particular amount that is balanced against something else to measure what it weighs7weights [plural] heavy pieces of metal, usually fixed to a metal bar, that people lift to make their muscles bigger: I’ve been lifting weights for years. → pull your weight at pull1COLLOCATIONSverbsto gain weight to put on weight informal He stopped exercising and gained weight.to lose weight You look good – have you lost some weight?to keep your weight down to keep the weight off (=to stay thin) After two years she had still managed to keep the weight off.to maintain a weight (=to stay at a weight) Proper nutrition is essential for maintaining a normal body weight.to watch your weight (=to try not to get fatter, by eating the correct foods) No dessert for me – I’m trying to watch my weight.to carry weight (=to have fat on your body, especially in a particular place) He carries more weight around his stomach than he used to.nounsweight gain Weight gain is normal during a pregnancy.weight loss See your doctor about any unexplained weight loss.somebody’s body weight He lost 10% of his body weight on the diet.somebody’s birth weight (=the weight of a baby when it is born) Twins are more likely to have a low birth weight.weight control Dieting is not a very healthy form of weight control.a weight problem (=a tendency to be too fat) I’ve always had a weight problem.adjectivesexcess/extra weight Excess weight is associated with heart disease.a healthy weight Eat enough calories to maintain a healthy body weight.somebody’s ideal weight (=what someone should weigh, according to his or her height and body type) I’m a few pounds over my ideal weight.somebody’s target weight (=the weight someone is trying to be) I reached my target weight just in time for the trip.