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 risky: most risky.

"After deciding to quit his stable job as a wrestling coach at UC Davis, a move he describes as the riskiest of his career, Munoz's rise up the MMA ranks has been a quick one."