C2

adjective

C2 on the CEFR scale, very adept at a language

Similar
C&C
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Meanings

nounC2 (uncountable)
  1. abbreviationinitialismuncountablegovernmentInitialism of command and control

    Synonyms: C&C

  2. abbreviationuncountablegovernmentC2: Abbreviation of Composition C-2, a plastic explosive (“plastique”)
adjectiveC2 (not comparable)
  1. not comparablehuman sciencesC2 on the CEFR scale, very adept at a language

Synonyms & antonyms

Also see
command and control
Cite this entry
APA

C2. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/C2

MLA

“C2.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/C2. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “C2,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/C2.

Source: C2 on Wiktionary, CC BY-SA 4.0.