What does "stiff" mean?

Additional senses

1. 2.Firm; strong; violent; difficult to oppose; as, a stiff gale or breeze.
2. 3.Not easily subdued; unyielding; stubborn; obstinate; pertinacious; as, a stiff adversary. It is a shame to stand stiff in a foolish argument. Jer. Taylor. A war ensues: the Cretans own their cause, Stiff to defend their hospitable laws. Dryden.
3. 4.Not natural and easy; formal; constrained; affected; starched; as, stiff behavior; a stiff style. The French are open, familiar, and talkative; the Italians stiff, ceremonious, and reserved. Addison.
4. 5.Harsh; disagreeable; severe; hard to bear. [Obs. or Colloq.] "This is stiff news." Shak.
5. 6.(Naut.) Bearing a press of canvas without careening much; as, a stiff vessel; -- opposed to crank. Totten.
6. 7.Very large, strong, or costly; powerful; as, a stiff charge; a stiff price. [Slang] Stiff neck, a condition of the neck such that the head can not be moved without difficulty and pain.