A soft-boiled egg is one that has been boiled for only a few minutes, so that the yellow part is still liquid. hard-boiled. an egg that is soft-boiled is boiled long enough for the white part to become solid, but the yellow part in the centre is still liquid hard-boiled
egg that is placed in hot water but removed before reaching an completely solid state; egg that is boiled to a soft consistency having the yolk still liquid