paper-thin

adj — 2 senses

paper-thin

adj

1

Literally Very thin, such as the quality of paper.

2

Figuratively Insubstantial.

As late as 1948 NKP, for its part, pitted its Berkshires against borrowed road diesels and declared that the difference in costs was less than paper thin.1959, David P. Morgan, editor, Steam's Finest Hour, Kalmbach Publishing Co., page 41:

Derived terms: paper-thinness

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.