Definition of "inordinately"

They’d [nucelar reactors] become inordinately expensive to build and maintain, in any case, especially compared to solar and wind installations.

December 15 2022, Samanth Subramanian, “Dismantling Sellafield: the epic task of shutting down a nuclear site”, in The Guardian‎

And then she giggles, inordinately pleased by her own cleverness.

2020, N. K. Jemisin, The City We Became, Orbit, page 173