flimsy

Adjective

• lacking substance or significance; a fragile claim to fame"
  • slight evidence
    
  • a tenuous argument
    
  • a thin plot
    

• not convincing
  • unconvincing argument
    
  • as unconvincing as a forced smile
    

• lacking solidity or strength
  • a flimsy table
    
  • flimsy construction
    

Noun

• a thin strong lightweight translucent paper used especially for making carbon copies

Related words

• Synonyms: 
  fragile , slight , tenuous , thin , unconvincing , onionskin