First class and Positive

First class noun - Mail that includes letters and postcards and packages sealed against inspection.

Positive and first class are semantically related. in good topic. In some cases you can use "Positive" instead an adjective phrase "First class", when it comes to topics like pleasant, excellent.

Positive adjective - Expressing approval.

First class and positive are semantically related. Sometimes you can replace phrase "First class" with "Positive", this terms are similar.

Nearby Words: position, positively, positivism, posited, positing