Unique, unusual, or exclusive
Derived from Sanskrit, Aadvik signifies something that is one of a kind or unparalleled. It is often used to denote individuality and the idea of being singular or unique in the world.
Less common today
Aadvik isn't in the latest US Top 1000. It last peaked at #1,827 in 2016.
US births per 5-year period, 1990βpresent (SSA data).