Main Entry: con·sti·tu·tion·al·ly

Pronunciation: \-ˈtü-shnə-lē, -ˈtyü-, -shə-nə-lē\

Function: adverb

Date: 1742

1 a : in accordance with one's constitution <constitutionally unable to grasp subtleties> b : in structure, composition, or constitution <despite repeated heatings the material remained constitutionally the same>
2 : in accordance with a political constitution <was not constitutionally eligible to fill the office>