/ Thesaurus / H Synonyms of hagia sofia Find synonyms for: Noun1. Hagia Sophia, Hagia Sofia, Santa Sophia, Santa Sofiausage: a 6th century masterpiece of Byzantine architecture in Istanbul; built as a Christian church, converted to a mosque in 1453, and made into a museum in the middle of the 20th centuryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language