Definitions from Wiktionary ( )

▸ adjective:  (of an object) Rigid; hard to bend; inflexible.
▸ adjective:  (figurative, of policies and rules and their application and enforcement) Inflexible; rigid.
▸ adjective:  (of a person) Formal in behavior; unrelaxed.
▸ adjective:  (colloquial) Harsh, severe.
▸ adjective:  (of muscles or parts of the body) Painful or more rigid than usual as a result of excessive or unaccustomed exercise.
▸ adjective:  Potent.
▸ adjective:  (informal) Expensive, pricey.
▸ adjective:  (informal) Dead, deceased.
▸ adjective:  (slang, of the penis) Erect.
▸ adjective:  Having a dense consistency; thick; (by extension) Difficult to stir.
▸ adjective:  (cooking, of whipping cream or egg whites) Beaten until so aerated that they stand up straight on their own.
▸ adjective:  (mathematics) Of an equation, for which certain numerical solving methods are numerically unstable, unless the step size is taken to be extremely small.
▸ adjective:  (nautical) Keeping upright.
▸ adjective:  (golf) Of a shot, landing so close to the flagstick that it should be very easy to sink the ball with the next shot.
▸ adjective:  (professional wrestling, of a strike) Delivered more forcefully than needed, whether intentionally or accidentally, thus causing legitimate pain to the opponent.
▸ noun:  (slang, chiefly Canada, US) An average person, usually male, of no particular distinction, skill, or education.
▸ noun:  (slang) A person who is deceived, as a mark or pigeon in a swindle.
▸ noun:  (slang) A cadaver; a dead person.
▸ noun:  (slang) A flop; a commercial failure.
▸ noun:  (US, slang) A person who leaves (especially a restaurant) without paying the bill.
▸ noun:  (US, slang, by extension) A customer who does not leave a tip.
▸ noun:  (blackjack) Any hard hand where it is possible to exceed 21 by drawing an additional card.
▸ noun:  (finance, slang) Negotiable instruments, possibly forged.
▸ noun:  (prison slang) A note or letter surreptitiously sent by an inmate.
▸ verb:  To fail to pay that which one owes (implicitly or explicitly) to another, especially by departing hastily.
▸ verb:  To cheat someone
▸ verb:  To tip ungenerously.
▸ verb:  (slang) To kill.
▸ verb:  (informal) To be unsuccessful.
▸ adverb:  (nautical) Of the wind, with great force; strongly.
▸ noun:  A surname.

---

▸ Word origin

▸ Words similar to stiff
▸ Usage examples for stiff

▸ Idioms related to stiff
▸ Wikipedia articles (New!)
▸ Popular adjectives describing stiff
▸ Popular nouns described by stiff
▸ Words that often appear near stiff
▸ Rhymes of stiff

▸ Invented words related to stiff