acquaintanceship noun2 •The state of being acquainted.What, eschew acquaintanceship? forget, After my most hearty commendations, my very trusty friend, ’Twere sin and shame Tomaso. — 1640 •A relationship as acquaintances.They began their acquaintanceship very lovingly, and after a shake or two by the hand, Bell gave him a more particular account of the uses and sanctity of his office […] — 1753 formsacquaintanceships