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Rule "demi et demie"

This is one of many errors that LanguageTool can detect.

Description: demi et demie
Message: « demi » est invariable dans la locution <suggestion>à demi</suggestion>.
Category: Grammaire (ID: CAT_GRAMMAIRE)
Link: https://www.projet-voltaire.fr/regles-orthographe/demi-ou-demie/
Incorrect sentences
that this rule can detect:
  • Elle est à demie consciente.
    Correction suggestion: à demi
ID: DEMI [5]
Version: 6.7-SNAPSHOT (2025-07-07 22:33:10 +0200)