perfecton Basic wordsalso onCEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Upper intermediate (B2)? CEFR Advanced (C1)? CEFR Mastery level (C2)? Academic Vocabulary List (AVL)? Band 1 (BND1)? Band 2 (BND2)? imperfect imperfect(adjective) imperfecto imperfection imperfection(noun) imperfección imperfectly imperfectly(adverb) imperfectamente imperfect imperfect(noun) imperfecto Forms adjectivenounadverb imperfect imperfection imperfectly imperfect