stiff, rigid, inflexible mean difficult to bend. stiff may apply to any degree of this condition.

STIFF definition: 1. firm or hard: 2. not easily bent or moved: 3. If you are stiff or part of your body is stiff…. Learn more.

Stiff, the least specific, refers to what can be flexed only with difficulty (a brush with stiff bristles); with reference to persons it often suggests a lack of ease, cold formality, or fixity, as of purpose: "stiff in …

If a doorknob is stiff, it won't turn smoothly, and if the smile on your face is stiff, it’s frozen and unnatural looking. When a person is stiff, they are artificial and unrelaxed — unless they're "scared stiff " or …

powerful: stiff winds; The fighter threw a stiff right to his opponent's jaw. strong or potent to the taste or system, as a beverage or medicine: He was cold and wanted a good stiff drink.

Stiff definition: Difficult to bend or fold.

Jan 20, 2026 · stiff (countable and uncountable, plural stiffs) (slang, chiefly Canada, US) An average person, usually male, of no particular distinction, skill, or education.

STIFF definition: rigid or firm; difficult or impossible to bend or flex. See examples of stiff used in a sentence.

Definition of stiff adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

If you are stiff, your muscles or joints hurt when you move, because of illness or because of too much exercise. Massage will relieve tension and stiff muscles. I'm stiff all over right now–I hope I can …