Definition of "constitutionally"

These children are constitutionally sad. Other children, like Luke, develop depressive feelings out of the blue or in response to some mild stressor.

1997, Edward M. Hallowell, When You Worry About the Child You Love, page 162

The astonishing progress of science had made God quite irrelevant; it had caused human beings to focus so intently on the physical world that they would soon be constitutionally unable to take God seriously.

2009, Karen Armstrong, The Case for God, Vintage, published 2010, page 246