Definition of "stiff"
stiff
/stɪf/
adjective
comparative stiffer, superlative stiffest
(of an object) Rigid; hard to bend; inflexible.
(figurative, of policies and rules and their application and enforcement) Inflexible; rigid.
(of the penis) Erect.
(professional wrestling, of a strike) Delivered more forcefully than needed, whether intentionally or accidentally, thus causing legitimate pain to the opponent.
noun
countable and uncountable, plural stiffs
(slang) A flop; a commercial failure.
(finance, slang) Negotiable instruments, possibly forged.
verb
third-person singular simple present stiffs, present participle stiffing, simple past and past participle stiffed
(informal) To be unsuccessful.