stiff

(informal)Dead, deceased.

steif

окостене́вшийokostenévšij, одеревене́лыйoderevenélyj

(figuratively)Inflexible; rigid.

жёсткийžóstkij, непоколеби́мыйnepokolebímyj, непрекло́нныйnepreklónnyj

Potent.

a stiff drink; a stiff dose; a stiff breeze

кре́пкийkrépkij, сильноде́йствующийsilʹnodéjstvujuščij

Painful or more rigid than usual as a result of excessive or unaccustomed exercise.

My legs are stiff after climbing that hill yesterday.

Having a dense consistency; thick; (by extension) Difficult to stir.

Adding too much peanut butter to your Peanut Sauce recipe may cause your sauce to turn out too stiff.

Beaten until so aerated that they stand up straight on their own.

beat the egg whites until they are stiff

(informal)Expensive, pricey.

Of an equation, for which certain numerical solving methods are numerically unstable, unless the step size is taken to be extremely small.

Keeping upright.