Third-person singular simple present indicative form of underweight. (verb)
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Use "underweights" in a sentence
"Even where caucus-going initial preferences are known, because caucuses have lower participation than primaries, any count combining the two is mixing apples and oranges, and it inherently underweights the states with caucuses compared to those with primaries."
"That assumption underweights the fact that kids navigate life with their emotional receptors running hot."
"Even if you try to estimate the numbers for caucus attendees in Iowa, Maine, et al., counting "popular vote" for caucus states greatly underweights them relative to primary states because participation is much lower for caucuses."