overbound

To leap over.

To provide an upper bound to.

To specify or use boundaries that are too large; to have boundaries that encompass more than the entirety of an entity.

The Urbanized Area is often considered the best measure of urban size because it neither "underbounds" the city (by taking just the political city) or "overbounds" it (including peripheral, largely rural areas).

A Gaussian model of the (non-Gaussian) error distribution on a signal, which is conservative enough that the resulting confidence interval is guaranteed to be at least as wide as the actual confidence interval.