class A

adjective

Synonym of first class (“best or top”).

Meanings

adjectiveclass A (not comparable)
  1. not comparableSynonym of first class (“best or top”).

    Surely no child from a good home would become what I have termed a class A fool!

    2012, Ann Benton, Teenagers

    Synonyms: first class

nounclass A (plural class As)

plural class As

  1. UKslangAny illicit drug (e.g. cocaine, heroin) categorised as “class A” under the United Kingdom's Misuse of Drugs Act (1971).

    Finally! If only you'd been supplying the people of Margate with arabica beans instead of dodgy class As.

    2024 January 21, Jack Rooke, “Tennis Table Tennis”, in Jim Archer, director, Big Boys, season 2, episode 3, spoken by Danny (Jon Pointing)

Synonyms & antonyms

adjectiveSynonym of first class (“best or top”).

Cite this entry
APA

class A. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/class%20A

MLA

“class A.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/class%20A. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “class A,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/class%20A.

Source: class A on Wiktionary, CC BY-SA 4.0.