This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. superlative form of faulty: most faulty.

"But he knew something of the tares only; he knew nothing of the wheat among the tares; knew nothing of the wintry gleams of comfort shed on thousands of hearts by the most poverty-stricken belief in the merest and faultiest silhouette of a God."