1. most sponge-like in texture; softest and most porous or absorbent
Usage: superlative form of spongy

Examples

• This is the spongiest cake I’ve ever tasted.
• The spongiest part of the mattress provided the best comfort.
• Among all the cleaning materials, this cloth is the spongiest.
• The spongiest soil in the garden holds water the longest.
• She chose the spongiest bread for making French toast.
• The spongiest section of the coral reef housed the most marine life.