The rigidity of the old system prevented any innovation.
Synonyms for rigidity
stiffness
inflexibility
strictness
Antonyms for rigidity
flexibility
adaptability
looseness
Practice rigidity on real SAT questions
Vocabulary like rigidity appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.