WordRel.com

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

  synonym	onionskin
  hypernym	typewriter papertyping paper

• not convincing

  synonym	unconvincing
  derivation	flimsiness
  also	incredibleunbelievable
  similar	unpersuasive

• lacking solidity or strength

  synonym	insubstantial
  derivation	flimsiness
  similar	weak

• lacking substance or significance

  synonym	fragileslighttenuousthin
  similar	insignificantunimportant