Adjective
1. lacking solidity or strength;
"a flimsy table""flimsy construction""a fragile link with the past"2. having little substance or significance;
"a flimsy excuse""slight evidence""a tenuous argument""a thin plot"3. very thin and insubstantial;
"thin paper""flimsy voile""light summer dresses"4. resembling cardboard especially in flimsiness;
"apartments with cardboard walls"