1. the quality or state of being plain; lack of ornamentation or decoration
Usage: plural form of plainness
2. the quality of being easily understood; clarity
Usage: plural form of plainness
3. the quality of being ordinary in appearance; lack of beauty
Usage: plural form of plainness

Examples

• The plainnesses of the different rooms varied greatly throughout the house.
• She appreciated the plainnesses of the Shaker furniture designs.
• The architect emphasized the plainnesses of form over decorative elements.
• Their writing styles showed different degrees of plainnesses in expression.
• The plainnesses of their appearances belied their inner complexities.
• He compared the plainnesses of various minimalist artworks.