adj.
1.having relatively little weight
2.having no importance or influence lightweight n.
1.a professional boxer who weighs between 131 and 135 pounds
2.someone who is unimportant but cheeky and presumptuous
3.an amateur boxer who weighs no more than 132 pounds
4.a wrestler who weighs 139-154 pounds
Idiom of the Day
on the job
working, doing what you are expected to do
The young man has only been on the job for a few weeks now.