underweight
noun
Definitions
The state or quality of being underweight.
An underweight person.
verb
Definitions
To underestimate the weight of.
To give insufficient weight to (a consideration); to underestimate the importance of.
adjective
Definitions
Of an inappropriately or unusually low weight.
Example: He's so underweight he's had to buy smaller clothes.
Not too heavy for an intended purpose.
Example: The suitcase is just slightly underweight; I'll let it on the plane.
Being less invested in a particular area than market wisdom suggests.
Example: The fund is underweight in mining.