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 brawny: most brawny.

"Foremen acknowledged that they routinely allowed men to take breaks in the open air to recover from spells of light-headedness, and that even the hardiest and brawniest laborers suffered headaches and nausea that could incapacitate them for a full shift or even days on end."