More on Infra Dig from Infoplease:

• infra dig: meaning and definitions - infra dig: Definition and Pronunciation
• Infra Dig. - Infra Dig. i.e. Dignitatem. Not in accordance with one's position and character. (Latin.) ...
• Dictionary Index - Dictionary Index -ine inebriant inebriate inebriety inedible inedita inedited ineducable ...
• Dictionary of Phrase and Fable: I - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "I"