A distribution with a high peak so that the kurtosis excess satisfies .
Leptokurtic
See also
Kurtosis, Mesokurtic, PlatykurticExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Leptokurtic." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Leptokurtic.html