Lightweight

·add. ·noun One of less than average weight;.

II. Lightweight ·add. ·noun A person of small impotance or mental ability.

III. Lightweight ·add. ·adj Light in weight, as a coin; specif., applied to a man or animal who is a lightweight.

IV. Lightweight ·add. ·noun In boxing, wrestling, ·etc., one weighingnot more than 133 pounds (U. S. amateur rules 135 pounds, ·Eng. 140 pounds).