Lingthusiasm - A podcast that's enthusiastic about linguistics 113: Why "it's a diglossia!" explains so many social dynamics
Feb 20, 2026
A lively dive into diglossia and how two language varieties split across social situations and prestige. Stories range from Arabic and Swiss German to Quebec French and creoles. They trace the H/L metaphors, colonial and power dynamics, and how writing, texting, and internet registers create new contrasts. Practical signs for spotting diglossic situations come up throughout.
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Arabic Shows Classic H Versus L Split
- Arabic is the textbook example: Modern Standard Arabic (H) is taught and used in formal writing and pan-Arab contexts while regional dialects like Egyptian or Moroccan (L) are used in daily speech.
- Speakers often sound strange using H in casual speech, yet may switch to H when communicating across dialects or in news broadcasts.
Ferguson 1959 Gave Diglossia Its Canonical Examples
- Charles A. Ferguson's 1959 article set the classic diglossia cases: Arabic, Greek, Swiss German, and Haitian Creole/French, framing recurring H/L patterns across societies.
- His framework highlighted domain-specific use (sermons, news, family talk) as diagnostic for diglossia.
Domains Reveal Which Variety Is Appropriate
- Ferguson's diagnostic table lists domains where H or L is expected: sermons, parliament, classrooms, newspapers favor H; soap operas, conversations, captions favor L.
- The same speaker routinely shifts varieties depending on domain, marking social appropriateness.
