1. Simple/Basic/Uncomplicated:
* "Simple": This is the most common meaning. For example, "un plat simple" (a simple dish).
* "Basse": This can be used to describe something that is plain or simple, especially in terms of appearance. For example, "une robe basse" (a plain dress).
* "Naturel": This can mean "natural" or "unprocessed", which can also imply something plain. For example, "du jus naturel" (natural juice).
2. Flat/Level:
* "Plat": This means "flat" and can be used to describe a flat surface or a plain landscape. For example, "une terre plate" (flat land).
* "Uni": This means "uniform" and can be used to describe a plain surface with no bumps or patterns. For example, "un mur uni" (a plain wall).
3. Open/Clear:
* "Vide": This means "empty" and can be used to describe a plain space without obstacles. For example, "une route vide" (an empty road).
* "Désert": This means "desert" and can be used to describe a plain area with no trees or buildings. For example, "un désert aride" (an arid desert).
4. Specific meanings in different contexts:
* "Plainte": This means "complaint" and can be used in a legal context.
* "Plain-chant": This refers to a style of liturgical music.
To understand the meaning of "plain" in French, you need to consider the context in which it is used.