Answer: paperthin

AnswerCrossword Clue
PAPERTHINLike baklava layers
PAPERTHINFlimsy.
PAPERTHINLike walls in a cheap motel, it seems
PAPERTHINLike motel walls, it often seems
PAPERTHINAmazingly waferlike
PAPERTHINUnconvincing, as an excuse