Synonyms for informal

• (adj) casual (similar term), everyday (similar term), free-and-easy (similar term), casual (similar term), folksy (similar term), unceremonious (similar term), unceremonial (similar term), informal (related term), formal (antonym)
  
  
• (adj) loose, unofficial (similar term)
  
  
• (adj) colloquial (similar term), conversational (similar term), common (similar term), vernacular (similar term), vulgar (similar term), epistolary (similar term), epistolatory (similar term), slangy (similar term), subliterary (similar term), unliterary (similar term), nonliterary (similar term), informal (related term), unrhetorical (related term), formal (antonym)
  
  
• (adj) cozy, intimate, friendly (similar term)
  
  

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