rigidon Academic Word Listalso onCEFR Mastery level (C2)? Academic Vocabulary List (AVL)? صارم,صُلب,قاسٍ rigid rigid(adjective) صارم,صُلب,قاسٍ rigidities rigidities(noun) صرامات,صلابات,قسوات rigidity rigidity(noun) صرامة,صلابة,قسوة rigidly rigidly(adverb) بشكل صارم Forms adjectivenounadverb rigid rigidities rigidly rigidity