1
- below a weight considered normal or desirable重量不足的, 未及标准重量的：
he was thirty pounds underweight.
他比标准重量轻30磅。
1.1
- Finance having less investment in a particular area than is considered desirable or appropriate【财政】投资不足的：
the company is still underweight in Japan.
该公司在日本的投资仍然不足。
with obj.
- apply too little weight to (something)施加重量不足：
we feared the hot-air balloon had been underweighted.
我们担心热气球加重不足。