adjective🔗ShareMangelhaft, unzureichendLacking something essential; often construed with in."The student's knowledge of grammar was deficient, making it hard for her to complete the writing assignments. "Die Grammatikkenntnisse der Schülerin waren mangelhaft, was es ihr erschwerte, die Schreibaufgaben zu erledigen.conditionqualityChat with AIVocabulary GamePractice Reading
adjective🔗ShareMangelhaft, unzureichendInsufficient or inadequate in amount."The student's knowledge of fractions was deficient, causing problems with the math assignments. "Das Wissen des Schülers über Brüche war mangelhaft, was zu Problemen bei den Matheaufgaben führte.amountqualityconditionChat with AIVocabulary GamePractice Reading
adjective🔗ShareMangelhaft, unvollkommenOf a number n, Having the sum of divisors σ(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n)"The number 10 is considered deficient because the sum of its proper divisors (1, 2, and 5) is 8, which is less than 10. "Die Zahl 10 gilt als mangelhaft, da die Summe ihrer echten Teiler (1, 2 und 5) 8 beträgt, was kleiner als 10 ist.mathnumberChat with AIVocabulary GamePractice Reading