- very thin: a wafer-thin slice.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for wafer-thin
His acknowledgement that his true mission is to reach that wafer-thin sliver of voters still sitting on the political fence.Undecided Voters Are a Menace
September 23, 2012
The shell of the wall, exposed where the door frame had torn away, was wafer-thin.It Could Be Anything
John Keith Laumer