First-class and Pristine

First-class adjective - Of the very best kind.

Pristine and first-class are semantically related. In some cases you can use "Pristine" instead an adjective phrase "First-class".

Pristine adjective - Being in an original and unused or unspoiled state.

First-class and pristine are semantically related. Sometimes you can use "First-class" instead an adjective "Pristine".