1. most worn out, shabby, or in poor condition
Usage: superlative form of tatty

Examples

• She wore her tattiest jeans to work in the garden.
• The tattiest books in the library were finally replaced.
• His tattiest sneakers were still his favorites.
• The tattiest chair in the room was surprisingly the most comfortable.
• They donated their tattiest clothes to the charity drive.
• The tattiest part of the old building needed immediate repair.