baddest

bad +‎ -est

baddest

1. (nonstandard) superlative form of bad: most bad, worst.
2. (slang) superlative form of bad: most bad; most excellent.
   • 1979, “Rapper's Delight”, performed by Sugarhill Gang:

     I'm going down in history / As the baddest rapper there ever could be

   • 2024 January 26, Karen McVeigh, “‘Biggest, baddest’ – but is it the cleanest? World’s largest cruise ship sets sail”, in The Guardian‎, →ISSN:

     The president of Royal Caribbean, Jason Liberty, told reporters it was the “biggest, baddest ship on the planet”, though it quickly became known on social media as “human lasagne”.

The standard superlative is worst.

• goodest

• bad
• badder