First class and Special

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

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

Special adjective - Being the one or ones of a class with no other members.

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

Nearby Words: specialty, speciality, specialist, specially, specialization