What is "calmest"

Calm \Calm\ (k[aum]m), a. [Compar. Calmer (-[~e]r); superl. Calmest (-[e^]st)]

1. Not stormy; without motion, as of winds or waves; still; quiet; serene; undisturbed. ``Calm was the day.''
   --Spenser.

   Now all is calm, and fresh, and still.
   --Bryant.

2. Undisturbed by passion or emotion; not agitated or excited; tranquil; quiet in act or speech. ``Calm and sinless peace.''
   --Milton. ``With calm attention.''
   --Pope.

   Such calm old age as conscience pure And self-commanding hearts ensure.
   --Keble.

   Syn: Still; quiet; undisturbed; tranquil; peaceful; serene; composed; unruffled; sedate; collected; placid.

1. (en-superlative of: calm) v

2. (en-archaic second-person singular of calm English)