Breadcrumb Home > Thesaurus > U Synonyms of underweight Find synonyms for: Adjective 1. scraggy, boney, scrawny, skinny, underweight, weedy, thin (vs. fat), lean usage: being very thin; "a child with skinny freckled legs"; "a long scrawny neck" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of underweight (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language