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rigid, rigorous, strict, stringent mean extremely severe or stern. rigid implies uncompromising inflexibility.

RIGID definition: 1. stiff or fixed; not able to be bent or moved: 2. not able to be changed or persuaded: 3. stiff…. Learn more.

If someone goes rigid, their body becomes very straight and stiff, usually as a result of shock or fear. I went rigid with shock. Andrew went rigid when he saw a dog, any dog, anywhere.

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

1. not bending; physically inflexible or stiff: a rigid piece of plastic. 2. unbending; rigorously strict; severe: rigid rules.

Oct 31, 2025 · rigid (comparative rigider or more rigid, superlative rigidest or most rigid) Stiff, rather than flexible. synonyms, antonyms Synonyms: inflexible; see also Thesaurus: stiff …

RIGID definition: stiff or unyielding; not pliant or flexible; hard. See examples of rigid used in a sentence.

rig•id (rij′ id), adj. stiff or unyielding; not pliant or flexible; hard: a rigid strip of metal. firmly fixed or set. inflexible, strict, or severe: a rigid disciplinarian; rigid rules of social behavior. exacting; …

Scrupulously or severely maintained or performed; rigorous or harsh. Rigid discipline.