1. superlative form of feathery; most resembling, containing, or covered with feathers
2. superlative form of feathery; lightest or most delicate in texture or weight

Examples

• The featheriest clouds drifted slowly across the sky.
• This cake has the featheriest texture of any dessert I've ever tasted.
• The swan's featheriest plumage was pure white.
• She wore the featheriest scarf that seemed to float around her shoulders.
• The featheriest snow fell gently throughout the night.
• That meringue is the featheriest I've ever made.