Nihoner

“Deficient” in Japanese

Short answer
希薄 kihaku きはく

Deficient in Japanese is “希薄” (kihaku). Full meaning: thin (air), weak (liquid), dilute, sparse (population), rarefied; lacking (enthusiasm, consideration, substance, etc.), insubstantial, deficient, tenuous (link).

Other ways to say “Deficient” in Japanese

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