[{"Bold_text": "adjective", "List Items": ["going beyond what is usual or ; excessive ; extreme ."]}, {"Bold_text": "noun", "List Items": ["an extremist, as in politics, religion, fashion, etc.", "Ultra,Military.the British code name for intelligence gathered by decrypting German wireless communications enciphered on the Enigma machine during World War II."]}, {"Bold_text": null, "List Items": ["a prefix occurring originally in loanwords from Latin, with the basic meaning “on the far side of, beyond.” In relation to the base to which it is prefixed,ultra-has the senses “located beyond, on the far side of ” (ultramontane; ultraviolet), “carrying to the furthest degree possible, on the fringe of ” (ultraleft; ultramodern), “extremely” (ultralight); nouns to which it is added denote, in general, objects, properties, phenomena, etc., that surpass customary norms, or instruments designed to produce or deal with such things (ultramicroscope; ultrasound; ultrastructure)."]}]