Definition of 1st class

1. Noun. Mail that includes letters and postcards and packages sealed against inspection.

Exact synonyms: 1st-class Mail, First Class, First-class Mail
Generic synonyms: Mail
Specialized synonyms: Correspondence

Lexicographical Neighbors of 1st Class

1900s
190th
1920s
1930s
1940s
1950s
1960s
1970s
1980s
1990s
19th
1st
1st-class mail
1st Baron Beaverbrook
1st Baron Verulam
1st class (current term)
1st Earl Attlee
1st Earl Baldwin of Bewdley
1st Earl of Balfour
1st Viscount Montgomery of Alamein
1 Chronicles
1 Esdras
1 Kings
1 Maccabees
1 Samuel
2
2-hitter
2-hydroxybenzoic acid
2-methylpropenoic acid
2.718282...

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