We found 2 dictionaries that define the word 1st-class:

General (2 matching dictionaries)

1. 1st-class: Wordnik
2. 1st-class: FreeDictionary.org

Phrases: 1st-class mail, more... ▸ Words similar to 1st-class ▸ Usage examples for 1st-class ▸ Idioms related to 1st-class ▸ Wikipedia articles (New!) ▸ Words that often appear near 1st-class ▸ Rhymes of 1st-class ▸ Invented words related to 1st-class