The word 'missile' is a direct Latin borrowing that reveals the deep connection between the concepts of sending and throwing. It comes from Latin 'missile,' the neuter form of the adjective 'missilis,' meaning 'that which can be thrown or hurled.' The adjective derives from 'missus,' the past participle of 'mittere,' one of the most productive Latin verbs in the English language.
Latin 'mittere' had a broad semantic range: 'to send,' 'to let go,' 'to release,' 'to throw,' 'to dispatch.' This breadth is reflected in the enormous family of English words it produced. 'Mission' (a sending), 'missionary' (one who is sent), 'emission' (a sending out), 'admission' (a sending toward or into), 'commission' (a sending together, an entrusting), 'dismiss' (to send away), 'permission' (a sending through, a letting pass), 'submit' (to send under, to yield), 'transmit' (to send across), 'remit' (to send back), 'intermittent' (sending between, occurring at intervals), 'permit' (to let through), and 'promise' (originally 'to send forth,' i.e., to put forward a commitment).
The word 'missile' entered English in the 1650s, initially as an adjective meaning 'capable of being thrown.' Early uses refer to 'missile weapons' — stones, spears, arrows, anything hurled at an enemy. The noun use ('a missile') appeared shortly after, referring to any projectile. For two centuries, the word remained in this general sense: a missile was simply a thrown or launched object.
The technological revolution of the twentieth century transformed the word utterly. With the development of self-propelled, guided weapons in World War II — the German V-1 flying bomb and V-2 rocket being the most famous early examples — 'missile' acquired its modern primary meaning: a weapon that propels itself toward a target, often guided by remote control or internal navigation systems. The Cold War cemented this meaning, as 'missile' became synonymous with nuclear-tipped intercontinental ballistic missiles (ICBMs) and the doctrine of mutually assured destruction.
The distinction between 'missile' and 'rocket' is worth noting. A rocket is propelled by expelled gases; a missile is defined by its purpose (to strike a target) rather than its propulsion method. All missiles may use rocket propulsion, but not all rockets are missiles. A firework is a rocket but not a missile. A thrown stone is a missile but not a rocket.
The word 'message' also belongs to this family, though it arrived in English by a different route. Old French 'message' came from Medieval Latin 'missaticum,' a derivative of 'missus.' A message is, etymologically, 'something sent' — a thing dispatched from one person to another, just as a missile is a thing dispatched toward a target. The conceptual parallel is exact: both are objects in transit, sent by an agent toward a recipient.
Perhaps the most surprising member of this word family is 'Mass' — the central liturgical service of the Catholic Church. The name comes from the final words of the Latin service: 'Ite, missa est,' traditionally translated as 'Go, it is the dismissal' or 'Go, you are sent forth.' The congregation is being sent out into the world, having received the sacrament. Thus 'Mass,' 'missile,' and 'mission' are all siblings — the church service, the weapon, and the purpose-driven journey all derive from the same act of sending.
In contemporary English, 'missile' sits at the intersection of military technology and geopolitics. 'Missile defense,' 'missile crisis,' 'ballistic missile,' 'cruise missile,' 'guided missile' — these compounds dominate the word's usage. The older sense of 'any thrown object' survives mainly in formal or literary contexts, as when a news report describes protesters hurling 'missiles' (meaning rocks or bottles).
The word's journey from 'a stone that can be thrown' to 'a nuclear-tipped intercontinental weapon' mirrors the trajectory of human warfare itself — from the hand-thrown projectile to the self-guided instrument of mass destruction, the concept of sending something to strike a distant target has remained constant even as the scale has become almost incomprehensibly vast.