Covered with a protective layer or shell, often made of metal, to provide defense against attack or damage. The armoured vehicle was designed to withstand heavy gunfire.
Having a protective or defensive quality, often used metaphorically to describe someone emotionally guarded. She approached the situation with an armoured heart, unwilling to let her feelings show.
Equipped with or relating to military forces that use armored vehicles or weaponry. The armoured brigade crossed the river at dawn.