1. superlative form of pure; most free from contamination or mixture
2. superlative form of pure; most innocent or morally perfect
3. superlative form of pure; most complete or absolute

Examples

• The scientist used the purest water available for the experiment.
• She had the purest intentions when helping her neighbor.
• This is the purest gold we have in stock.
• His motives were of the purest kind.
• The mountain spring provided the purest drinking water.
• It was the purest form of happiness she had ever experienced.
• The purest silk comes from carefully tended silkworms.