[adjective uhn-der-weyt; noun uhn-der-weyt]
- weighing less than is usual, required, or proper.
- deficiency in weight below a standard or requirement.
Origin of underweight
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for underweight
In Israel, however, a new law took effect January 1st that banned the use of underweight models.How Skinny Is Too Skinny? Israel Bans ‘Underweight’ Models
January 8, 2015
You'd think so, but there's not much evidence that exercise affects BMI enough to take you from "overweight" to "underweight".Rethinking Thin
January 10, 2013
Never mind the fact that he was 45 pounds underweight when he auditioned to play the beefy lead.Spartacus Hero Liam McIntyre’s Unlikely Rise into the Role
January 27, 2012
Healthier rather than over or underweight 12:18 Comment From Liz Thanks, that's really interesting!Newsweek Live Chat: What the Internet Can Teach Us About Sex
The Daily Beast
April 25, 2011
They could as easily have charged you overweight as underweight.Uncle Sam Detective
William Atherton Du Puy
The baby of a German housewife was underweight—that is, below normal.A Stake in the Land
Peter Alexander Speek
They are the people who are overweight and the people who are underweight.Psychotherapy
James J. Walsh
Blind abscesses at the roots will cause all sorts of aches and pains, as well as underweight.
Underweight individuals sometimes have to train their digestive tracts for some of the foods they need.
- weighing less than is average, expected, or healthy
- 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
- (of a fund etc) disproportionately invested in this waypension funds have become underweight of equities
Word Origin and History for underweight
Online Etymology Dictionary, © 2010 Douglas Harper
- Weighing less than is normal, healthy, or required.
- Insufficiency of weight.