Small in size.
A small size.
Not too heavy for an intended purpose.
Being less invested in a particular area than market wisdom suggests.
Of an inappropriately or unusually low weight.
To underestimate the weight of.
To give insufficient weight to (a consideration); to underestimate the importance of.
To invest in less than conventional wisdom would dictate.
The state or quality of being underweight.
An underweight person.
An underweight investment.