Dictionary

of the first water en · ADP

Meanings

1. (idiomatic) Of a diamond or other gemstone, of the highest quality or excellence.
2. (broadly, idiomatic) Of superior or top tier in its category.
   • Without doubt he thought she had destroyed that letter. It was—pardon me, Monsieur—it was an indiscretion of the first water to keep it. 1928, Agatha Christie, The Mystery of the Blue Train:

Relateds

of the deepest dye

Synonyms

of the best water · of the finest water