flimsy in WordNet English dictionary

1. a thin strong lightweight translucent paper used especially for making carbon copies
   onionskin  flimsy 
   

1. not convincing
   "unconvincing argument"; "as unconvincing as a forced smile"
   unconvincing  flimsy 
   
2. lacking solidity or strength
   "a flimsy table"; "flimsy construction"
   flimsy 
   
3. lacking substance or significance
   "slight evidence"; "a tenuous argument"; "a thin plot"; a fragile claim to fame"
   flimsy  fragile  slight  tenuous  thin