Fiercest

adjective

1. Exceedingly violent, severe, ferocious, cruel or savage.

   "A fierce storm battered the coast."

2. Resolute or strenuously active.

   "We made a fierce attempt to escape."

3. Threatening in appearance or demeanor.

   "The lion gave a fierce roar."

4. (rural) Excellent, very good.

   "Q: "How was the party last night?" A: "Fierce!""

5. Of exceptional quality, exhibiting boldness or chutzpah.

   "Tyra said to strike a pose and make it fierce."