First-string and Finer

First-string adjective - Of the very best kind.

Finer and first-string are semantically related in better topic. In some cases you can use "Finer" instead an adjective phrase "First-string".

Finer adjective - (comparative of `fine') greater in quality or excellence.

First-string and finer are semantically related in excellent topic. Sometimes you can use "First-string" instead an adjective "Finer".