Lightweight - Definition
lightweight
adj 1: weighing relatively little compared with another item or
object of similar use; "a lightweight fabric";
"lightweight wood"
2: having no importance or influence; "a lightweight intellect"
n 1: a professional boxer who weighs between 131 and 135 pounds
2: someone who is unimportant but cheeky and presumptuous [syn:
whippersnapper, jackanapes, lightweight]
3: an amateur boxer who weighs no more than 132 pounds
4: a wrestler who weighs 139-154 pounds