prefix
Etymology: Latin, from ultra beyond (adverb & preposition), from abl. singular feminine of (assumed) ulter situated beyond — more at ulterior
1. : beyond in space : on the other side : trans-
ultra tropical
ultra median
2. : beyond the range or limits of : transcending : super-
ultra microscopic
ultra sonic
3. : beyond what is common, ordinary, natural, right, proper, or moderate : excessively : exceedingly : hyper-
ultra complex
ultra critical
ultra formal
ultra modern