below a weight considered normal or desirable:he was thirty pounds underweight
Finance (also underweighted) having less investment in a particular area than is considered desirable or appropriate:the company is still underweight in Japanunderweighted in technology
verb
[with object]
apply too little weight to (something):we feared the hot-air balloon had been underweighted figurativeclinicians tend to overweight parent and underweight child information when deriving diagnoses
