The antonyms for the word "picking check" would be various words like neglect, ignorance, carelessness, indifference, inattention, and passivity. When someone neglects or ignores something, they are not picking any checks. A careless or indifferent person will not worry about picking checks, and an inattentive or passive person may not even notice the need for picking checks. Conversely, being attentive, conscientious, alert, responsible, and diligent are all qualities that show someone is actively engaged in picking checks. These antonyms help describe the different attitudes and approaches people can have towards financial responsibility and accountability.