which word is used INCORRECTLY, in the sentence... the word is visionary

a. Although a political VISIONARY,Thomas Jefferson was also an efficient farmer and businessperson.

b. Such VISIONARY plans feed the imagination but not the belly.

c. Elaborate VISIONARY effects turned our gym into a tropical jungle for the junior prom.

d. They are great architectural team: he conceives the VISIONARY designs and she interprets them in concrete and steel