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 …

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

stiff /stɪf/ adj., -er, -est, n., adv., v. rigid or firm: a stiff collar. not moving or working easily: The garage door handle gets stiff in the cold. (of a person or animal) moving with difficulty or with pain, as from …

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.

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 …

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

Something that is stiff is firm or does not bend easily. The furniture was stiff, uncomfortable, too delicate, and too neat. His waterproof trousers were brand new and stiff. Her fingers were stiff with cold inside …