1. superlative form of chaste; most pure, virtuous, or modest in behavior or appearance
Usage: formal or literary
2. superlative form of chaste; most restrained or simple in style or design
Usage: formal or literary

Examples

• She was considered the chastest woman in the village.
• The chastest design of the building reflected classical principles.
• His chastest intentions were misunderstood by his critics.
• The chastest form of art avoids unnecessary embellishment.
• Among all the candidates, she presented the chastest moral character.
• The architect chose the chastest aesthetic for the chapel.