Dictionary
1underweight
noun un·der·weight \ˌən-dər-ˈwāt\
Definition of UNDERWEIGHT
: weight below normal, average, or requisite weight
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First Known Use of UNDERWEIGHT
1596
Rhymes with UNDERWEIGHT
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2underweight
adjective
: weighing less than the normal or expected amount : too light
Full Definition of UNDERWEIGHT
: weighing less than the normal or requisite amount
See underweight defined for English-language learners
See underweight defined for kids
First Known Use of UNDERWEIGHT
1675
Related to UNDERWEIGHT
- Synonyms
- featherlight, feathery, lightweight, 1light, weightless
UNDERWEIGHT Defined for Kids
underweight
adjective un·der·weight \ˌən-dər-ˈwāt\
Definition of UNDERWEIGHT for Kids
: weighing less than what is normal, average, or necessary
Medical Dictionary
underweight
adjective un·der·weight \-ˈwāt\
Medical Definition of UNDERWEIGHT
: weighing less than the normal amount for one's age, height, and build <underweight children> <underweight adults typically have a body mass index of less than 18.5>
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