adjective🔗Share不足している, 欠けているLacking something essential; often construed with in."The student's knowledge of grammar was deficient, making it hard for her to complete the writing assignments. "その生徒の文法の知識が不足しており、彼女は作文課題を完了するのが難しかった。conditionqualityChat with AIVocabulary GamePractice Reading
adjective🔗Share不足の, 不十分なInsufficient or inadequate in amount."The student's knowledge of fractions was deficient, causing problems with the math assignments. "生徒の分数の知識が不足しており、数学の課題で問題が発生しました。amountqualityconditionChat with AIVocabulary GamePractice Reading
adjective🔗Share不足している、欠陥のあるOf 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. "10は、その真の約数（1、2、5）の和が8であり、10より小さいので、不足数と見なされます。mathnumberChat with AIVocabulary GamePractice Reading
