Stillborn vs. Stillbirth

Dead at birth.

Ignored, without influence, or unsuccessful from the outset; abortive.

A baby that is born dead.

Dead at the birth; as, a stillborn child.

Fig.: Abortive; as, a stillborn poem.

failing to accomplish an intended result;

Example: ‘an abortive revolt’; ‘a stillborn plot to assassinate the President’;

(of newborn infant) showing no signs of life at birth; not liveborn;

Example: ‘a stillborn baby’;

The birth of a dead fetus; the delivery of an infant which is dead at birth.

(modern medicine) The birth of a dead fetus after 20 weeks of gestation.

The birth of a dead fetus.

a fetus which was born dead.

a natural loss of the products of conception

Stillbirth is typically defined as fetal death at or after 20 or 28 weeks of pregnancy, depending on the source. It results in a baby born without signs of life.