stiff

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Difficult to bend; rigid.
2. adj. Not moving or operating easily or freely; resistant: a stiff hinge.
3. adj. Lacking ease or comfort of movement; not limber: a stiff neck.
4. adj. Drawn tightly; taut.
5. adj. Rigidly formal.
6. adj. Lacking ease or grace.
7. adj. Not liquid, loose, or fluid; thick: stiff dough.
8. adj. Firm, as in purpose; resolute.
9. adj. Having a strong, swift, steady force or movement: a stiff current; a stiff breeze.
10. adj. Potent or strong: a stiff drink.
11. adj. Difficult, laborious, or arduous: a stiff hike; a stiff examination.
12. adj. Difficult to comprehend or accept; harsh or severe: a stiff penalty.
13. adj. Excessively high: a stiff price.
14. adj. Nautical Not heeling over much in spite of great wind or the press of the sail.
15. adv. In a stiff manner: frozen stiff.
16. adv. To a complete extent; totally: bored stiff.
17. n. Slang A corpse.
18. n. Slang A person regarded as constrained, priggish, or overly formal.
19. n. Slang A drunk.
20. n. Slang A person: a lucky stiff; just an ordinary working stiff.
21. n. Slang A hobo; a tramp.
22. n. Slang A person who tips poorly.
23. v. Slang To tip (someone) inadequately or not at all, as for a service rendered: paid the dinner check but stiffed the waiter.
24. v. To cheat (someone) of something owed: My roommate stiffed me out of last month's rent.
25. v. To fail to give or supply (something expected or promised).

Century Dictionary and Cyclopedia

1. Rigid; not easily bent; not flexible or pliant; not flaccid: as, stiff paper; a cravat stiff with starch.
2. Not fluid: thick and tenacious; neither soft nor hard: as, a stiff batter; stiff clay.
3. Drawn tight; tense: as, a stiff cord.
4. Not easily bent: not to be moved without great friction or exertion; not working smoothly or easily.
5. Not natural and easy in movement; not flowing or graceful; cramped; constrained: as, a stiff style of writing or speaking.
6. Rigidly ceremonious; formal in manner; constrained; affected; unbending; starched: as, a stiff deportment.
7. Strong and steady in motion: as, a stiff breeze.
8. Strong; lusty; stanch, both physically and mentally.
9. Strong: said of an alcoholic drink, or mixed drink of which spirit forms a part.
10. Firm in resistance or persistence; obstinate; stubborn; pertinacious.
11. Hard to receive or accept; hard to bear.
12. Hard to master or overcome; very difficult: as, a stiff examination in mathematics.
13. Nautical, bearing a press of canvas or of wind without careening much; tending to keep upright: as, a stiff vessel; a stiff keel: opposed to crank.
14. High; steep: as, a stiff price.
15. Unyielding; firm: said of prices, markets, etc.: as, the wheat-market is stiff.
16. Rigid as in death; dead.
17. Synonyms Unbending, unyielding.
18. Prim, punctilious.
19. Inflexible, uncompromising.
20. n. A dead body; a corpse.
21. n. In hatting, a stiffener.
22. n. Negotiable paper.
23. n. Forged paper.
24. To become or grow stiff. To become upright or strong.
25. To become obstinate or stubborn.

Wiktionary

1. adj. Of an object, rigid, hard to bend, inflexible.
2. adj. figuratively Of policies and rules and their application and enforcement, inflexible.
3. adj. Of a person, formal in behavior, unrelaxed.
4. adj. colloquial Harsh, severe.
5. adj. Of muscles, or parts of the body, painful, as a result of excessive, or unaccustomed exercise.
6. adj. potent.
7. adj. dead, deceased.
8. adj. Of a penis, erect.
9. n. An average person, usually male, of no particular distinction, skill, or education, often a working stiff or lucky stiff.
10. n. A person who is deceived, as a mark or pigeon in a swindle.
11. n. slang A cadaver, a dead person.
12. n. US A person who leaves (especially a restaurant) without paying the bill.
13. v. To fail to pay that which one owes (implicitly or explicitly) to another, especially by departing hastily.

GNU Webster's 1913

1. adj. Not easily bent; not flexible or pliant; not limber or flaccid; rigid; firm.
2. adj. Not liquid or fluid; thick and tenacious; inspissated; neither soft nor hard.
3. adj. Firm; strong; violent; difficult to oppose.
4. adj. Not easily subdued; unyielding; stubborn; obstinate; pertinacious.
5. adj. Not natural and easy; formal; constrained; affected; starched.
6. adj. Obs. or Colloq. Harsh; disagreeable; severe; hard to bear.
7. adj. (Naut.) Bearing a press of canvas without careening much; ; -- opposed to crank.
8. adj. Slang Very large, strong, or costly; powerful.

WordNet 3.0

1. adj. having a strong physiological or chemical effect
2. adj. incapable of or resistant to bending
3. n. an ordinary man
4. adj. not moving or operating freely
5. adj. rigidly formal
6. adj. very drunk
7. adj. marked by firm determination or resolution; not shakable
8. n. the dead body of a human being
9. adj. powerful.
10. adv. in a stiff manner
11. adv. extremely.