Oxford Advanced American Dictionary

Definition of constitutional adjective from the Oxford Advanced Learner's Dictionary

Academic

constitutional

adjective
constitutional pronunciation English ˌkɒnstɪˈtjuːʃənl constitutional pronunciation American ˌkɑːnstəˈtuːʃənl
 
1 [only before noun] connected with the constitution of a country or an organizationconstitutional government/reforma constitutional amendment2 allowed or limited by the constitution of a country or an organizationThey can't pass this law. It's not constitutional.constitutional rightsa constitutional monarchy (= a country with a king or queen whose power is controlled by a set of laws and basic principles)
Opposite
unconstitutional
3 [usually before noun] related to the body's ability to stay healthy, be strong and fight illnessconstitutional remediesconstitutionally
constitutionally pronunciation English ˌkɒnstɪˈtjuːʃənəli constitutionally pronunciation American ˌkɑːnstəˈtuːʃənəli
adverbconstitutionally guaranteed rightsHe was much weakened constitutionally by the disease.