Is “Lightweight” a Scrabble word?
Yes
LIGHTWEIGHT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Lightweight
noun
1.A particular weight class, or member of such, as prescribed by the rules, between that of the heavier welterweight and the lighter featherweight. See Wikipedia for the specifics of each sport.
2.A particular weight category as prescribed by the rules, separate from an open or heavyweight class.
3.A competitive weight division as prescribed by the rules, between the heavier middleweight and the lighter featherweight.
adjective
1.Lacking in earnestness, ability, or profundity
2.Having less than average weight
3.Lacking in strength