Latin word meaning 'other' or 'another,' used as a given name conveying distinctiveness and individuality.
Alius is drawn directly from classical Latin, where it functioned as an adjective and pronoun meaning another, a different one, or one of two. In Roman grammatical tradition it was distinguished from alter (the other of two specific things) by its openness — alius gestures toward the broader, unnamed other, the one who is different or beyond. As a personal name it is exceptionally rare, which itself becomes part of its character: to be named Alius is, in a sense, to be named The Other, the singular one who stands apart.
Though Alius never became a common Roman cognomen, the Latin root infuses a large family of modern words — alias, alien, alibi — all sharing that sense of otherness, of being elsewhere or of another kind. The philosophical resonance is considerable: thinkers from Aristotle forward have wrestled with the concept of the alius, the irreducible alterity of another person. In this light the name carries a quiet intellectual weight, a reminder that every person is fundamentally and irreducibly other to everyone else.
In contemporary naming culture, Alius appeals to parents drawn to classical languages and to names that feel both ancient and completely fresh. It is distinct without being invented, rooted without being common. Its three clean syllables sit close to popular names like Atticus or Atlas while carrying a more abstract, philosophical undertone. For a child growing into their own distinctiveness, there may be no more precisely accurate name.