Ultra - extreme; to an extreme degree.
"ultramicroscopic" · "ultraradical"
synonyms:
extremely · exceedingly · excessively · immensely · especially · exceptionally · unusually · extraordinarily · remarkably · uncommonly · extra · right · unco · mega · mucho · seriously · majorly · oh-so · jolly · dead · ever so · well · fair · real · mighty · awful · plumb · powerful · way · lekker · devilish · frightfully · exceeding
beyond; on the other side of.Often contrasted with cis-.
"ultramontane"