Here are the possible solutions for light weight clue
Answer
Clue
Relevancy
gram
Clue
Light weight
Light weight in the metric system, sometimes prefixed by "kilo-" or "milli-"
Definition
a unit of mass in the metric system, also GRAMME
ounce
Clue
Light weight
Definition
a measurement of weight, 1/16th of a pound, also UNCE
glorybeam
Clue
"The light" of "I saw the light!"?
laser
Clue
Light in a light show
Light-show light
Light show light
Light in a light show, perhaps
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium