underweight

[ adjective uhn-der-weyt; noun uhn-der-weyt ]
/ adjective ˈʌn dərˈweɪt; noun ˈʌn dərˌweɪt /

adjective

weighing less than is usual, required, or proper.

noun

deficiency in weight below a standard or requirement.

Origin of underweight

First recorded in 1590–1600; under- + weight

Example sentences from the Web for underweight

British Dictionary definitions for underweight

underweight
/ (ˌʌndəˈweɪt) /

adjective

weighing less than is average, expected, or healthy
finance
  1. having a lower proportion of one's investments in a particular sector of the market than the size of that sector relative to the total market would suggest
  2. (of a fund etc) disproportionately invested in this waypension funds have become underweight of equities

Medical definitions for underweight

underweight
[ ŭndər-wāt′ ]

adj.

Weighing less than is normal, healthy, or required.

n.

Insufficiency of weight.