Definitions for "ballistic missile"
A rocket-propelled missile of long range which is guided only during the powered portion of its flight, which usually takes only a small part of the total flight time; -- contrasted with guided missile.
A missile whose payload reaches its target by way of an initial powered boost and then a free flight along a high arcing trajectory. Part of the flight of longer-range ballistic missiles may occur outside the atmosphere and involve the "reentry" of a warhead or the missile (see Reentry Vehicle).
a missile that is guided in the first part of its flight but falls freely as it approaches target
a heavy, cumbersome apparatus requiring complex transporting and launching equipment
a hostile environment for delicate devices, and a new nuclear bomb design is definitely delicate
a vehicle or object that continues on its path under the force of the Earth's gravity