1. superlative form of flawed; having the most defects, imperfections, or errors
Usage: superlative degree of 'flawed'

Examples

• Of all the arguments presented, his was the flawiest.
• The flawiest diamond in the collection was still worth thousands.
• Her logic was the flawiest part of the entire presentation.
• That's the flawiest plan we've discussed so far.
• The flawiest version of the software had numerous bugs.