This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Difficult to bend; rigid.

adj. Not moving or operating easily or freely; resistant: a stiff hinge.

adj. Lacking ease or comfort of movement; not limber: a stiff neck.

adj. Drawn tightly; taut.

adj. Rigidly formal.

adj. Lacking ease or grace.

adj. Not liquid, loose, or fluid; thick: stiff dough.

adj. Firm, as in purpose; resolute.

adj. Having a strong, swift, steady force or movement: a stiff current; a stiff breeze.

adj. Potent or strong: a stiff drink.

adj. Difficult, laborious, or arduous: a stiff hike; a stiff examination.

adj. Difficult to comprehend or accept; harsh or severe: a stiff penalty.

adj. Excessively high: a stiff price.

adj. Nautical Not heeling over much in spite of great wind or the press of the sail.

ad. In a stiff manner: frozen stiff.

ad. To a complete extent; totally: bored stiff.

n. Slang A corpse.

n. Slang A person regarded as constrained, priggish, or overly formal.

n. Slang A drunk.

n. Slang A person: a lucky stiff; just an ordinary working stiff.

n. Slang A hobo; a tramp.

n. Slang A person who tips poorly.

v. Slang To tip (someone) inadequately or not at all, as for a service rendered: paid the dinner check but stiffed the waiter.

v. To cheat (someone) of something owed: My roommate stiffed me out of last month's rent.

v. To fail to give or supply (something expected or promised).

adj. Of an object, rigid, hard to bend, inflexible.

adj. Of policies and rules and their application and enforcement, inflexible.

adj. Of a person, formal in behavior, unrelaxed.

adj. Harsh, severe.

adj. Of muscles, or parts of the body, painful, as a result of excessive, or unaccustomed exercise.

adj. potent.

adj. dead, deceased.

adj. Of a penis, erect.

n. An average person, usually male, of no particular distinction, skill, or education, often a working stiff or lucky stiff.

n. A person who is deceived, as a mark or pigeon in a swindle.

n. A cadaver, a dead person.

n. A person who leaves (especially a restaurant) without paying the bill.

v. To fail to pay that which one owes (implicitly or explicitly) to another, especially by departing hastily.

adj. Not easily bent; not flexible or pliant; not limber or flaccid; rigid; firm.

adj. Not liquid or fluid; thick and tenacious; inspissated; neither soft nor hard.

adj. Firm; strong; violent; difficult to oppose.

adj. Not easily subdued; unyielding; stubborn; obstinate; pertinacious.

adj. Not natural and easy; formal; constrained; affected; starched.

adj. Harsh; disagreeable; severe; hard to bear.

adj. Bearing a press of canvas without careening much; ; -- opposed to crank.

adj. Very large, strong, or costly; powerful.

Rigid; not easily bent; not flexible or pliant; not flaccid: as, stiff paper; a cravat stiff with starch.

Not fluid: thick and tenacious; neither soft nor hard: as, a stiff batter; stiff clay.

Drawn tight; tense: as, a stiff cord.

Not easily bent: not to be moved without great friction or exertion; not working smoothly or easily.

Not natural and easy in movement; not flowing or graceful; cramped; constrained: as, a stiff style of writing or speaking.

Rigidly ceremonious; formal in manner; constrained; affected; unbending; starched: as, a stiff deportment.

Strong and steady in motion: as, a stiff breeze.

Strong; lusty; stanch, both physically and mentally.

Strong: said of an alcoholic drink, or mixed drink of which spirit forms a part.

Firm in resistance or persistence; obstinate; stubborn; pertinacious.

Hard to receive or accept; hard to bear.

Hard to master or overcome; very difficult: as, a stiff examination in mathematics.

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.

High; steep: as, a stiff price.

Unyielding; firm: said of prices, markets, etc.: as, the wheat-market is stiff.

Rigid as in death; dead.

Synonyms Unbending, unyielding.

Prim, punctilious.

Inflexible, uncompromising.

n. A dead body; a corpse.

n. In hatting, a stiffener.

n. Negotiable paper.

n. Forged paper.

To become or grow stiff.

To become obstinate or stubborn.

adj. having a strong physiological or chemical effect

adj. incapable of or resistant to bending

n. an ordinary man

adj. not moving or operating freely

adj. rigidly formal

adj. very drunk

adj. marked by firm determination or resolution; not shakable

n. the dead body of a human being

adj. powerful

ad. in a stiff manner

ad. extremely

"The walls were full of photos in cheap plastic frames: A young boy held a net of frogs, his expression stiff and sorrowful; the same boy stood at the edge of a cliff at sunset with his arms spread open toward the camera."

multipotent    equipotent    inflexible    immobile    formal    inebriated    intoxicated    drunk    resolute    strong   

crank   

stiffed    stiffing    stiffness    stiffs   

adult male    man   

high    strong    repellent    conventional    a stiff neck    to keep a stiff upper lip    to do a bit of stiff    bindlestiff    body    corpse   

stiffy   

obstinate    pertinacious    rigid    inflexible    hardly    constrained    harsh    starched    affected    formal   

Biff    Cliff    Riff    biff    cliff    dif    diff    griff    hieroglyph    if   

thin    spin-dry    rigid    sharp    tight    tall