deficientadjective · Level 1 SAT1Not having an adequate or proper supply or amountChildren deficient in iron often struggle with concentration and reduced energy levels.ModuleLevel 1Registeracademic, argument, commonCollectionCollection 012SAT Core planAlso in Collection 012desultory, impervious, legitimate, impartial, rudimentary, habitual, fallacious, judicious and 1 more