Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

underweight

adjective
 
 
/ˌʌn.dəˈweɪt/ US  /-dɚ-/

Definition

Underweight people weigh too little and are too thin: According to the hospital chart he's four kilos underweight. → Opposite overweightThin or slender (of people)Not fit and healthyNarrow and thin
(Definition of underweight adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of underweight