underweight
adjective/ˌʌndəˈweɪt/
/ˌʌndərˈweɪt/
- (especially of a person) weighing less than the normal or expected weight
- The baby was dangerously underweight at birth.
- She is a few pounds underweight for (= in relation to) her height.
- Her daughter was seriously underweight.
Collocations Diet and exerciseDiet and exerciseWeightTopics Health problemsb2, Appearanceb2- put on/gain/lose weight/a few kilos/a few pounds
- watch/control/struggle with your weight
- be/become seriously overweight/underweight
- be/become clinically/morbidly obese
- achieve/facilitate/promote/stimulate weight loss
- slim down to 70 kilos/(British English) 11 stone/(especially North American English) 160 pounds
- combat/prevent/tackle/treat obesity
- develop/have/suffer from/struggle with/recover from anorexia/bulimia/an eating disorder
- be on/go on/follow a crash/strict diet
- have/suffer from a negative/poor body image
- have/develop a positive/healthy body image
- eat a balanced diet/healthily/sensibly
- get/provide/receive adequate/proper nutrition
- contain/get/provide essential nutrients/vitamins/minerals
- be high/low in calories/fat/fibre/protein/vitamin D/Omega-3 fatty acids
- contain (no)/use/be full of/be free from additives/chemical preservatives/artificial sweeteners
- avoid/cut down on/cut out alcohol/caffeine/fatty foods
- stop/give up/ (especially North American English) quit smoking
- (British English) take regular exercise
- do moderate/strenuous/vigorous exercise
- play football/hockey/tennis
- go cycling/jogging/running
- go to/visit/ (especially North American English) hit/work out at the gym
- strengthen/tone/train your stomach muscles
- contract/relax/stretch/use/work your lower-body muscles
- build (up)/gain muscle
- improve/increase your stamina/energy levels/physical fitness
- burn/consume/expend calories
- be/get/keep/stay healthy/in shape/(especially British English) fit
- lower your cholesterol/blood pressure
- boost/stimulate/strengthen your immune system
- prevent/reduce the risk of heart disease/high blood pressure/diabetes/osteoporosis
- reduce/relieve/manage/combat stress
- enhance/promote relaxation/physical and mental well-being
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underweight