SENIOR

(HIGH RANK) [noun], [adjective] - (someone) high or higher in rankShe's senior to me, so I have to do what she tells me.senior managementIt's important to impress your seniors if you want to be promoted.a senior government ministerHe was my senior officer when I was in the army.Compare junior (LOW RANK).A senior nursing officer (US head nurse, [UK and ANZ] dated matron) is the person in charge of all the nurses in a hospital.