perseveringadjective · Level 3 SAT1quietly and steadily persevering especially in detail or exactnessThe persevering student revised her thesis seven times before the committee approved it.ModuleLevel 3Registercontrast, literaryCollectionCollection 079SAT Complete planAlso in Collection 079threadbare, unremitting, incalculable, unpropitious, consanguine, thunderstruck, debar, resile and 1 more